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48136871 = 257187303
BaseRepresentation
bin1011011110100…
…0001010100111
310100120121101002
42313220022213
544310334441
64435423515
71123104506
oct267501247
9110517332
1048136871
1125198a42
1214154b9b
139c85373
14657083d
15435cb9b
hex2de82a7

48136871 has 4 divisors (see below), whose sum is σ = 48324432. Its totient is φ = 47949312.

The previous prime is 48136849. The next prime is 48136919. The reversal of 48136871 is 17863184.

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

It is a cyclic number.

It is not a de Polignac number, because 48136871 - 210 = 48135847 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 (48136801) 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, 93395 + ... + 93908.

It is an arithmetic number, because the mean of its divisors is an integer number (12081108).

Almost surely, 248136871 is an apocalyptic number.

48136871 is a deficient number, since it is larger than the sum of its proper divisors (187561).

48136871 is a wasteful number, since it uses less digits than its factorization.

48136871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187560.

The product of its digits is 32256, while the sum is 38.

The square root of 48136871 is about 6938.0740122890. The cubic root of 48136871 is about 363.7692228557.

The spelling of 48136871 in words is "forty-eight million, one hundred thirty-six thousand, eight hundred seventy-one".

Divisors: 1 257 187303 48136871