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52154135 = 5116731409
BaseRepresentation
bin1100011011110…
…0111100010111
310122010201000122
43012330330113
5101322413020
65101502155
71202205605
oct306747427
9118121018
1052154135
11274921a0
121557195b
13aa60a47
146cd8875
1548a3125
hex31bcf17

52154135 has 16 divisors (see below), whose sum is σ = 68424480. Its totient is φ = 37847040.

The previous prime is 52154117. The next prime is 52154159. The reversal of 52154135 is 53145125.

It is not a de Polignac number, because 52154135 - 26 = 52154071 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36311 + ... + 37719.

It is an arithmetic number, because the mean of its divisors is an integer number (4276530).

Almost surely, 252154135 is an apocalyptic number.

52154135 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

52154135 is a deficient number, since it is larger than the sum of its proper divisors (16270345).

52154135 is a wasteful number, since it uses less digits than its factorization.

52154135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2098.

The product of its digits is 3000, while the sum is 26.

The square root of 52154135 is about 7221.7819823088. The cubic root of 52154135 is about 373.6195407514.

The spelling of 52154135 in words is "fifty-two million, one hundred fifty-four thousand, one hundred thirty-five".

Divisors: 1 5 11 55 673 1409 3365 7045 7403 15499 37015 77495 948257 4741285 10430827 52154135