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52133151 = 372482531
BaseRepresentation
bin1100011011011…
…1110100011111
310122002122020110
43012313310133
5101321230101
65101221103
71202060460
oct306676437
9118078213
1052133151
1127478454
1215561793
13aa54325
146cd0d67
15489bcd6
hex31b7d1f

52133151 has 8 divisors (see below), whose sum is σ = 79441024. Its totient is φ = 29790360.

The previous prime is 52133149. The next prime is 52133161. The reversal of 52133151 is 15133125.

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

It is not a de Polignac number, because 52133151 - 21 = 52133149 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 2482531 = 52133151 / (5 + 2 + 1 + 3 + 3 + 1 + 5 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52133161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1241245 + ... + 1241286.

It is an arithmetic number, because the mean of its divisors is an integer number (9930128).

Almost surely, 252133151 is an apocalyptic number.

52133151 is a deficient number, since it is larger than the sum of its proper divisors (27307873).

52133151 is a wasteful number, since it uses less digits than its factorization.

52133151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2482541.

The product of its digits is 450, while the sum is 21.

The square root of 52133151 is about 7220.3290091242. The cubic root of 52133151 is about 373.5694259385.

Adding to 52133151 its reverse (15133125), we get a palindrome (67266276).

The spelling of 52133151 in words is "fifty-two million, one hundred thirty-three thousand, one hundred fifty-one".

Divisors: 1 3 7 21 2482531 7447593 17377717 52133151