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44285978 = 2117983307
BaseRepresentation
bin1010100011110…
…0000000011010
310002022221221102
42220330000122
542314122403
64221111402
71045265432
oct250740032
9102287842
1044285978
1122aa8790
12129b8562
139237629
145c4b2c2
153d4bb88
hex2a3c01a

44285978 has 32 divisors (see below), whose sum is σ = 74511360. Its totient is φ = 19571760.

The previous prime is 44285963. The next prime is 44285981. The reversal of 44285978 is 87958244.

It is a happy number.

It is a super-2 number, since 2×442859782 = 3922495694832968, which contains 22 as substring.

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, 144101 + ... + 144407.

It is an arithmetic number, because the mean of its divisors is an integer number (2328480).

Almost surely, 244285978 is an apocalyptic number.

44285978 is a deficient number, since it is larger than the sum of its proper divisors (30225382).

44285978 is a wasteful number, since it uses less digits than its factorization.

44285978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482.

The product of its digits is 645120, while the sum is 47.

The square root of 44285978 is about 6654.7710704426. The cubic root of 44285978 is about 353.7980324095.

The spelling of 44285978 in words is "forty-four million, two hundred eighty-five thousand, nine hundred seventy-eight".

Divisors: 1 2 11 22 79 83 158 166 307 614 869 913 1738 1826 3377 6557 6754 13114 24253 25481 48506 50962 72127 144254 266783 280291 533566 560582 2012999 4025998 22142989 44285978