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38874641 = 1314872011
BaseRepresentation
bin1001010001001…
…0111000010001
32201011000222112
42110102320101
534422442031
63505115105
7651300101
oct224227021
981130875
1038874641
111aa42103
1211028a95
138091560
14523d201
15362d62b
hex2512e11

38874641 has 8 divisors (see below), whose sum is σ = 41913984. Its totient is φ = 35842320.

The previous prime is 38874611. The next prime is 38874653. The reversal of 38874641 is 14647883.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 38874641 - 214 = 38858257 is a prime.

It is a super-2 number, since 2×388746412 = 3022475425757762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38874611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18326 + ... + 20336.

It is an arithmetic number, because the mean of its divisors is an integer number (5239248).

Almost surely, 238874641 is an apocalyptic number.

It is an amenable number.

38874641 is a deficient number, since it is larger than the sum of its proper divisors (3039343).

38874641 is a wasteful number, since it uses less digits than its factorization.

38874641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3511.

The product of its digits is 129024, while the sum is 41.

The square root of 38874641 is about 6234.9531674264. The cubic root of 38874641 is about 338.7574048299.

The spelling of 38874641 in words is "thirty-eight million, eight hundred seventy-four thousand, six hundred forty-one".

Divisors: 1 13 1487 2011 19331 26143 2990357 38874641