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38440528 = 247343219
BaseRepresentation
bin1001001010100…
…0111001010000
32200022222111021
42102220321100
534320044103
63451525224
7644511340
oct222507120
980288437
1038440528
111a775a35
1210a59814
137c6ba99
145168d20
153594bbd
hex24a8e50

38440528 has 20 divisors (see below), whose sum is σ = 85118560. Its totient is φ = 16474464.

The previous prime is 38440511. The next prime is 38440541. The reversal of 38440528 is 82504483.

It is a junction number, because it is equal to n+sod(n) for n = 38440493 and 38440502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171498 + ... + 171721.

It is an arithmetic number, because the mean of its divisors is an integer number (4255928).

Almost surely, 238440528 is an apocalyptic number.

It is an amenable number.

38440528 is an abundant number, since it is smaller than the sum of its proper divisors (46678032).

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

38440528 is a wasteful number, since it uses less digits than its factorization.

38440528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343234 (or 343228 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 34.

The square root of 38440528 is about 6200.0425804989. The cubic root of 38440528 is about 337.4917141084.

The spelling of 38440528 in words is "thirty-eight million, four hundred forty thousand, five hundred twenty-eight".

Divisors: 1 2 4 7 8 14 16 28 56 112 343219 686438 1372876 2402533 2745752 4805066 5491504 9610132 19220264 38440528