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4200672 = 253721947
BaseRepresentation
bin10000000001100011100000
321220102020110
4100001203200
52033410142
6230011320
750463600
oct20014340
97812213
104200672
11240a033
1214a6b40
13b41008
147b4c00
1557e99c
hex4018e0

4200672 has 144 divisors (see below), whose sum is σ = 13789440. Its totient is φ = 1112832.

The previous prime is 4200671. The next prime is 4200689. The reversal of 4200672 is 2760024.

It is a happy number.

4200672 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4200671) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89353 + ... + 89399.

It is an arithmetic number, because the mean of its divisors is an integer number (95760).

Almost surely, 24200672 is an apocalyptic number.

4200672 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4200672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6894720).

4200672 is an abundant number, since it is smaller than the sum of its proper divisors (9588768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4200672 is a wasteful number, since it uses less digits than its factorization.

4200672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 4200672 is about 2049.5540978467. The cubic root of 4200672 is about 161.3514690963.

Subtracting from 4200672 its sum of digits (21), we obtain a triangular number (4200651 = T2898).

Adding to 4200672 its reverse (2760024), we get a palindrome (6960696).

It can be divided in two parts, 4200 and 672, that multiplied together give a square (2822400 = 16802).

The spelling of 4200672 in words is "four million, two hundred thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 7 8 12 14 16 19 21 24 28 32 38 42 47 48 49 56 57 76 84 94 96 98 112 114 133 141 147 152 168 188 196 224 228 266 282 294 304 329 336 376 392 399 456 532 564 588 608 658 672 752 784 798 893 912 931 987 1064 1128 1176 1316 1504 1568 1596 1786 1824 1862 1974 2128 2256 2303 2352 2632 2679 2793 3192 3572 3724 3948 4256 4512 4606 4704 5264 5358 5586 6251 6384 6909 7144 7448 7896 9212 10528 10716 11172 12502 12768 13818 14288 14896 15792 18424 18753 21432 22344 25004 27636 28576 29792 31584 36848 37506 42864 43757 44688 50008 55272 73696 75012 85728 87514 89376 100016 110544 131271 150024 175028 200032 221088 262542 300048 350056 525084 600096 700112 1050168 1400224 2100336 4200672