Search a number
-
+
53012157 = 3112373947
BaseRepresentation
bin1100101000111…
…0011010111101
310200202022000020
43022032122331
5102032342112
65132122353
71212411252
oct312163275
9120668006
1053012157
1127a18900
12159063b9
13aca1453
14707d429
1549c248c
hex328e6bd

53012157 has 24 divisors (see below), whose sum is σ = 79812768. Its totient is φ = 31252320.

The previous prime is 53012153. The next prime is 53012159. The reversal of 53012157 is 75121035.

It is not a de Polignac number, because 53012157 - 22 = 53012153 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53012153) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11458 + ... + 15404.

It is an arithmetic number, because the mean of its divisors is an integer number (3325532).

Almost surely, 253012157 is an apocalyptic number.

It is an amenable number.

53012157 is a deficient number, since it is larger than the sum of its proper divisors (26800611).

53012157 is a wasteful number, since it uses less digits than its factorization.

53012157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4009 (or 3998 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 24.

The square root of 53012157 is about 7280.9447875945. The cubic root of 53012157 is about 375.6572934566.

The spelling of 53012157 in words is "fifty-three million, twelve thousand, one hundred fifty-seven".

Divisors: 1 3 11 33 37 111 121 363 407 1221 3947 4477 11841 13431 43417 130251 146039 438117 477587 1432761 1606429 4819287 17670719 53012157