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44556428 = 22723431609
BaseRepresentation
bin1010100111111…
…0000010001100
310002211200221002
42221332002030
542401301203
64230555432
71050503060
oct251760214
9102750832
1044556428
11231729a4
1212b08b78
139300767
145cbbaa0
153da1d88
hex2a7e08c

44556428 has 48 divisors (see below), whose sum is σ = 95208960. Its totient is φ = 17829504.

The previous prime is 44556367. The next prime is 44556433. The reversal of 44556428 is 82465544.

It is a super-2 number, since 2×445564282 = 3970550552238368, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 44556391 and 44556400.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26888 + ... + 28496.

It is an arithmetic number, because the mean of its divisors is an integer number (1983520).

Almost surely, 244556428 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 44556428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47604480).

44556428 is an abundant number, since it is smaller than the sum of its proper divisors (50652532).

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

44556428 is a wasteful number, since it uses less digits than its factorization.

44556428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1686 (or 1684 counting only the distinct ones).

The product of its digits is 153600, while the sum is 38.

The square root of 44556428 is about 6675.0601495417. The cubic root of 44556428 is about 354.5167742584.

The spelling of 44556428 in words is "forty-four million, five hundred fifty-six thousand, four hundred twenty-eight".

Divisors: 1 2 4 7 14 23 28 43 46 86 92 161 172 301 322 602 644 989 1204 1609 1978 3218 3956 6436 6923 11263 13846 22526 27692 37007 45052 69187 74014 138374 148028 259049 276748 484309 518098 968618 1036196 1591301 1937236 3182602 6365204 11139107 22278214 44556428