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38104469 = 132931113
BaseRepresentation
bin1001000101011…
…0110110010101
32122200220111122
42101112312111
534223320334
63440413325
7641611514
oct221266625
978626448
1038104469
111a5664a7
1210917245
137b81b30
1450bc67b
15352a32e
hex2456d95

38104469 has 4 divisors (see below), whose sum is σ = 41035596. Its totient is φ = 35173344.

The previous prime is 38104453. The next prime is 38104477. The reversal of 38104469 is 96440183.

38104469 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 26112100 + 11992369 = 5110^2 + 3463^2 .

It is a cyclic number.

It is not a de Polignac number, because 38104469 - 24 = 38104453 is a prime.

It is a super-2 number, since 2×381044692 = 2903901115543922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38104489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1465544 + ... + 1465569.

It is an arithmetic number, because the mean of its divisors is an integer number (10258899).

Almost surely, 238104469 is an apocalyptic number.

It is an amenable number.

38104469 is a deficient number, since it is larger than the sum of its proper divisors (2931127).

38104469 is a wasteful number, since it uses less digits than its factorization.

38104469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2931126.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 38104469 is about 6172.8817419419. The cubic root of 38104469 is about 336.5053484354.

The spelling of 38104469 in words is "thirty-eight million, one hundred four thousand, four hundred sixty-nine".

Divisors: 1 13 2931113 38104469