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38112919 = 133194573
BaseRepresentation
bin1001000101100…
…0111010010111
32122201100002121
42101120322113
534224103134
63440520411
7641645245
oct221307227
978640077
1038112919
111a571889
1210920107
137b85930
1450c1795
15352cab4
hex2458e97

38112919 has 8 divisors (see below), whose sum is σ = 42369152. Its totient is φ = 34045920.

The previous prime is 38112901. The next prime is 38112937. The reversal of 38112919 is 91921183.

38112919 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (38112901) and next prime (38112937).

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 38112919 - 25 = 38112887 is a prime.

It is a super-2 number, since 2×381129192 = 2905189189401122, 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 (38112959) 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 7 ways as a sum of consecutive naturals, for example, 46884 + ... + 47689.

It is an arithmetic number, because the mean of its divisors is an integer number (5296144).

Almost surely, 238112919 is an apocalyptic number.

38112919 is a deficient number, since it is larger than the sum of its proper divisors (4256233).

38112919 is a wasteful number, since it uses less digits than its factorization.

38112919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94617.

The product of its digits is 3888, while the sum is 34.

The square root of 38112919 is about 6173.5661493176. The cubic root of 38112919 is about 336.5302209338.

The spelling of 38112919 in words is "thirty-eight million, one hundred twelve thousand, nine hundred nineteen".

Divisors: 1 13 31 403 94573 1229449 2931763 38112919