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4749444 = 2232747401
BaseRepresentation
bin10010000111100010000100
322221022000100
4102013202010
52203440234
6245444100
755240530
oct22074204
98838010
104749444
112754367
121710630
13ca3a2b
148b8bc0
1563c399
hex487884

4749444 has 72 divisors (see below), whose sum is σ = 14047488. Its totient is φ = 1324800.

The previous prime is 4749427. The next prime is 4749463. The reversal of 4749444 is 4449474.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 4749399 and 4749408.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11644 + ... + 12044.

It is an arithmetic number, because the mean of its divisors is an integer number (195104).

Almost surely, 24749444 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4749444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7023744).

4749444 is an abundant number, since it is smaller than the sum of its proper divisors (9298044).

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

4749444 is a wasteful number, since it uses less digits than its factorization.

4749444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465 (or 460 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 4749444 is about 2179.3219128894. The cubic root of 4749444 is about 168.0922112829.

The spelling of 4749444 in words is "four million, seven hundred forty-nine thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 47 63 84 94 126 141 188 252 282 329 401 423 564 658 802 846 987 1203 1316 1604 1692 1974 2406 2807 2961 3609 3948 4812 5614 5922 7218 8421 11228 11844 14436 16842 18847 25263 33684 37694 50526 56541 75388 101052 113082 131929 169623 226164 263858 339246 395787 527716 678492 791574 1187361 1583148 2374722 4749444