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38944955 = 572158959
BaseRepresentation
bin1001010010010…
…0000010111011
32201021121102202
42110210002323
534432214310
63510420415
7652012100
oct224440273
981247382
1038944955
111aa8aa15
121106170b
1380b756a
14525aaa7
1536443a5
hex25240bb

38944955 has 12 divisors (see below), whose sum is σ = 54364320. Its totient is φ = 26704944.

The previous prime is 38944951. The next prime is 38944963. The reversal of 38944955 is 55944983.

It is not a de Polignac number, because 38944955 - 22 = 38944951 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38944951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79235 + ... + 79724.

It is an arithmetic number, because the mean of its divisors is an integer number (4530360).

Almost surely, 238944955 is an apocalyptic number.

38944955 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

38944955 is a deficient number, since it is larger than the sum of its proper divisors (15419365).

38944955 is a wasteful number, since it uses less digits than its factorization.

38944955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158978 (or 158971 counting only the distinct ones).

The product of its digits is 777600, while the sum is 47.

The square root of 38944955 is about 6240.5893151208. The cubic root of 38944955 is about 338.9615228270.

The spelling of 38944955 in words is "thirty-eight million, nine hundred forty-four thousand, nine hundred fifty-five".

Divisors: 1 5 7 35 49 245 158959 794795 1112713 5563565 7788991 38944955