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38089365 = 358572963
BaseRepresentation
bin1001000101001…
…1001010010101
32122200010210020
42101103022111
534222324430
63440215353
7641516466
oct221231225
978603706
1038089365
111a556116
121090a559
137b77cb2
1450b6d6d
153525b10
hex2453295

38089365 has 16 divisors (see below), whose sum is σ = 61034688. Its totient is φ = 20283776.

The previous prime is 38089277. The next prime is 38089453. The reversal of 38089365 is 56398083.

It is an interprime number because it is at equal distance from previous prime (38089277) and next prime (38089453).

It is a cyclic number.

It is not a de Polignac number, because 38089365 - 28 = 38089109 is a prime.

It is a super-2 number, since 2×380893652 = 2901599452206450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 11374 + ... + 14336.

It is an arithmetic number, because the mean of its divisors is an integer number (3814668).

Almost surely, 238089365 is an apocalyptic number.

It is an amenable number.

38089365 is a deficient number, since it is larger than the sum of its proper divisors (22945323).

38089365 is a wasteful number, since it uses less digits than its factorization.

38089365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3828.

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 38089365 is about 6171.6582050532. The cubic root of 38089365 is about 336.4608807862.

The spelling of 38089365 in words is "thirty-eight million, eighty-nine thousand, three hundred sixty-five".

Divisors: 1 3 5 15 857 2571 2963 4285 8889 12855 14815 44445 2539291 7617873 12696455 38089365