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3504672 = 253243283
BaseRepresentation
bin1101010111101000100000
320121001111200
431113220200
51344122142
6203041200
741534463
oct15275040
96531450
103504672
111a84126
121210200
13959292
146732da
1549364c
hex357a20

3504672 has 72 divisors (see below), whose sum is σ = 10234224. Its totient is φ = 1137024.

The previous prime is 3504667. The next prime is 3504673. The reversal of 3504672 is 2764053.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (72).

It is not an unprimeable number, because it can be changed into a prime (3504673) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12243 + ... + 12525.

It is an arithmetic number, because the mean of its divisors is an integer number (142142).

Almost surely, 23504672 is an apocalyptic number.

3504672 is a gapful number since it is divisible by the number (32) 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 3504672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5117112).

3504672 is an abundant number, since it is smaller than the sum of its proper divisors (6729552).

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

3504672 is a wasteful number, since it uses less digits than its factorization.

3504672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342 (or 331 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 3504672 is about 1872.0769214966. The cubic root of 3504672 is about 151.8969754311.

The spelling of 3504672 in words is "three million, five hundred four thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 43 48 72 86 96 129 144 172 258 283 288 344 387 516 566 688 774 849 1032 1132 1376 1548 1698 2064 2264 2547 3096 3396 4128 4528 5094 6192 6792 9056 10188 12169 12384 13584 20376 24338 27168 36507 40752 48676 73014 81504 97352 109521 146028 194704 219042 292056 389408 438084 584112 876168 1168224 1752336 3504672