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38113667 = 169922433
BaseRepresentation
bin1001000101100…
…1000110000011
32122201101010022
42101121012003
534224114132
63440524055
7641650364
oct221310603
978641108
1038113667
111a5723a9
121092062b
137b86087
1450c1b6b
15352ce12
hex2459183

38113667 has 4 divisors (see below), whose sum is σ = 38137800. Its totient is φ = 38089536.

The previous prime is 38113633. The next prime is 38113693. The reversal of 38113667 is 76631183.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76631183 = 671143749.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-38113667 is a prime.

It is a super-2 number, since 2×381136672 = 2905303224373778, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38113567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9518 + ... + 12915.

It is an arithmetic number, because the mean of its divisors is an integer number (9534450).

Almost surely, 238113667 is an apocalyptic number.

38113667 is a deficient number, since it is larger than the sum of its proper divisors (24133).

38113667 is a wasteful number, since it uses less digits than its factorization.

38113667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24132.

The product of its digits is 18144, while the sum is 35.

The square root of 38113667 is about 6173.6267298890. The cubic root of 38113667 is about 336.5324224879.

The spelling of 38113667 in words is "thirty-eight million, one hundred thirteen thousand, six hundred sixty-seven".

Divisors: 1 1699 22433 38113667