Search a number
-
+
51274852 = 2212818713
BaseRepresentation
bin1100001110011…
…0010001100100
310120111000212121
43003212101210
5101111243402
65030555324
71161554236
oct303462144
9116430777
1051274852
1126a41612
1215208b44
13a813765
146b4a256
15477c837
hex30e6464

51274852 has 6 divisors (see below), whose sum is σ = 89730998. Its totient is φ = 25637424.

The previous prime is 51274849. The next prime is 51274921. The reversal of 51274852 is 25847215.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 50608996 + 665856 = 7114^2 + 816^2 .

It is a super-2 number, since 2×512748522 = 5258220895243808, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6409353 + ... + 6409360.

Almost surely, 251274852 is an apocalyptic number.

It is an amenable number.

51274852 is a deficient number, since it is larger than the sum of its proper divisors (38456146).

51274852 is a wasteful number, since it uses less digits than its factorization.

51274852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12818717 (or 12818715 counting only the distinct ones).

The product of its digits is 22400, while the sum is 34.

The square root of 51274852 is about 7160.6460602379. The cubic root of 51274852 is about 371.5079728530.

The spelling of 51274852 in words is "fifty-one million, two hundred seventy-four thousand, eight hundred fifty-two".

Divisors: 1 2 4 12818713 25637426 51274852