Search a number
-
+
51116922 = 23222912401
BaseRepresentation
bin1100001011111…
…1101101111010
310120012000020100
43002333231322
5101041220142
65023340230
71160325633
oct302775572
9116160210
1051116922
112694399a
1215151676
13a7898cc
146b0888a
15474ab4c
hex30bfb7a

51116922 has 24 divisors (see below), whose sum is σ = 111245940. Its totient is φ = 16963200.

The previous prime is 51116921. The next prime is 51116929. The reversal of 51116922 is 22961115.

It can be written as a sum of positive squares in 2 ways, for example, as 49154121 + 1962801 = 7011^2 + 1401^2 .

It is a super-2 number, since 2×511169222 = 5225879429508168, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51116921) 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 11 ways as a sum of consecutive naturals, for example, 2079 + ... + 10322.

Almost surely, 251116922 is an apocalyptic number.

51116922 is an abundant number, since it is smaller than the sum of its proper divisors (60129018).

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

51116922 is a wasteful number, since it uses less digits than its factorization.

51116922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12638 (or 12635 counting only the distinct ones).

The product of its digits is 1080, while the sum is 27.

The square root of 51116922 is about 7149.6099194292. The cubic root of 51116922 is about 371.1261573800.

The spelling of 51116922 in words is "fifty-one million, one hundred sixteen thousand, nine hundred twenty-two".

Divisors: 1 2 3 6 9 18 229 458 687 1374 2061 4122 12401 24802 37203 74406 111609 223218 2839829 5679658 8519487 17038974 25558461 51116922