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38132157 = 371815817
BaseRepresentation
bin1001000101110…
…1100110111101
32122202022111010
42101131212331
534230212112
63441145433
7642055320
oct221354675
978668433
1038132157
111a585288
121092b279
137b9160b
1450c87b7
15353363c
hex245d9bd

38132157 has 8 divisors (see below), whose sum is σ = 58106176. Its totient is φ = 21789792.

The previous prime is 38132153. The next prime is 38132167. The reversal of 38132157 is 75123183.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 38132157 - 22 = 38132153 is a prime.

It is a super-2 number, since 2×381321572 = 2908122794945298, 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 (38132153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 907888 + ... + 907929.

It is an arithmetic number, because the mean of its divisors is an integer number (7263272).

Almost surely, 238132157 is an apocalyptic number.

It is an amenable number.

38132157 is a deficient number, since it is larger than the sum of its proper divisors (19974019).

38132157 is a wasteful number, since it uses less digits than its factorization.

38132157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1815827.

The product of its digits is 5040, while the sum is 30.

The square root of 38132157 is about 6175.1240473370. The cubic root of 38132157 is about 336.5868341029.

The spelling of 38132157 in words is "thirty-eight million, one hundred thirty-two thousand, one hundred fifty-seven".

Divisors: 1 3 7 21 1815817 5447451 12710719 38132157