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48157157 = 59816223
BaseRepresentation
bin1011011110110…
…1000111100101
310100121122012102
42313231013211
544312012112
64440101445
71123220606
oct267550745
9110548172
1048157157
1125202204
1214164885
139c91679
146577dad
154363bc2
hex2ded1e5

48157157 has 4 divisors (see below), whose sum is σ = 48973440. Its totient is φ = 47340876.

The previous prime is 48157129. The next prime is 48157177. The reversal of 48157157 is 75175184.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 48157157 - 216 = 48091621 is a prime.

It is a super-2 number, since 2×481571572 = 4638223540645298, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 48157157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48157117) 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, 408053 + ... + 408170.

It is an arithmetic number, because the mean of its divisors is an integer number (12243360).

Almost surely, 248157157 is an apocalyptic number.

It is an amenable number.

48157157 is a deficient number, since it is larger than the sum of its proper divisors (816283).

48157157 is an equidigital number, since it uses as much as digits as its factorization.

48157157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816282.

The product of its digits is 39200, while the sum is 38.

The square root of 48157157 is about 6939.5357913912. The cubic root of 48157157 is about 363.8203159570.

The spelling of 48157157 in words is "forty-eight million, one hundred fifty-seven thousand, one hundred fifty-seven".

Divisors: 1 59 816223 48157157