Search a number
-
+
51356355 = 3523148859
BaseRepresentation
bin1100001111101…
…0001011000011
310120122011200020
43003322023003
5101121400410
65032424523
71162343661
oct303721303
9116564606
1051356355
1126a97876
1215248143
13a84189b
146b6bc31
154796a70
hex30fa2c3

51356355 has 16 divisors (see below), whose sum is σ = 85743360. Its totient is φ = 26199008.

The previous prime is 51356351. The next prime is 51356369. The reversal of 51356355 is 55365315.

51356355 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 51356355 - 22 = 51356351 is a prime.

It is a super-3 number, since 3×513563553 (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (51356351) 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, 74085 + ... + 74774.

It is an arithmetic number, because the mean of its divisors is an integer number (5358960).

Almost surely, 251356355 is an apocalyptic number.

51356355 is a deficient number, since it is larger than the sum of its proper divisors (34387005).

51356355 is a wasteful number, since it uses less digits than its factorization.

51356355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148890.

The product of its digits is 33750, while the sum is 33.

The square root of 51356355 is about 7166.3348372791. The cubic root of 51356355 is about 371.7047098767.

The spelling of 51356355 in words is "fifty-one million, three hundred fifty-six thousand, three hundred fifty-five".

Divisors: 1 3 5 15 23 69 115 345 148859 446577 744295 2232885 3423757 10271271 17118785 51356355