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38766413 = 75538059
BaseRepresentation
bin1001001111100…
…0011101001101
32200221112112002
42103320131031
534411011123
63502522045
7650336420
oct223703515
980845462
1038766413
111a978864
1210b96325
13805420a
1452119b7
15360b528
hex24f874d

38766413 has 4 divisors (see below), whose sum is σ = 44304480. Its totient is φ = 33228348.

The previous prime is 38766407. The next prime is 38766433. The reversal of 38766413 is 31466783.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31466783 = 231368121.

It is a cyclic number.

It is not a de Polignac number, because 38766413 - 28 = 38766157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38766433) 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, 2769023 + ... + 2769036.

It is an arithmetic number, because the mean of its divisors is an integer number (11076120).

Almost surely, 238766413 is an apocalyptic number.

It is an amenable number.

38766413 is a deficient number, since it is larger than the sum of its proper divisors (5538067).

38766413 is an equidigital number, since it uses as much as digits as its factorization.

38766413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5538066.

The product of its digits is 72576, while the sum is 38.

The square root of 38766413 is about 6226.2679833107. The cubic root of 38766413 is about 338.4427428652.

The spelling of 38766413 in words is "thirty-eight million, seven hundred sixty-six thousand, four hundred thirteen".

Divisors: 1 7 5538059 38766413