Search a number
-
+
51102366 = 2372352901
BaseRepresentation
bin1100001011110…
…0001010011110
310120011021021020
43002330022132
5101040233431
65023145010
71160235330
oct302741236
9116137236
1051102366
1126933a67
1215145166
13a7830b3
146b03450
154746696
hex30bc29e

51102366 has 32 divisors (see below), whose sum is σ = 121886208. Its totient is φ = 13965600.

The previous prime is 51102349. The next prime is 51102367. The reversal of 51102366 is 66320115.

51102366 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×511023662 = 5222903621595912, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51102367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25485 + ... + 27416.

It is an arithmetic number, because the mean of its divisors is an integer number (3808944).

Almost surely, 251102366 is an apocalyptic number.

51102366 is an abundant number, since it is smaller than the sum of its proper divisors (70783842).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51102366 is a wasteful number, since it uses less digits than its factorization.

51102366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52936.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 51102366 is about 7148.5918893164. The cubic root of 51102366 is about 371.0909268733.

The spelling of 51102366 in words is "fifty-one million, one hundred two thousand, three hundred sixty-six".

Divisors: 1 2 3 6 7 14 21 23 42 46 69 138 161 322 483 966 52901 105802 158703 317406 370307 740614 1110921 1216723 2221842 2433446 3650169 7300338 8517061 17034122 25551183 51102366