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51116374 = 2157162791
BaseRepresentation
bin1100001011111…
…1100101010110
310120011222111001
43002333211112
5101041210444
65023333514
71160324221
oct302774526
9116158431
1051116374
1126943541
121515129a
13a78959a
146b085b8
15474a8d4
hex30bf956

51116374 has 8 divisors (see below), whose sum is σ = 77163408. Its totient is φ = 25395240.

The previous prime is 51116371. The next prime is 51116383. The reversal of 51116374 is 47361115.

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

It is a super-2 number, since 2×511163742 = 5225767381815752, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51116371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81082 + ... + 81709.

It is an arithmetic number, because the mean of its divisors is an integer number (9645426).

Almost surely, 251116374 is an apocalyptic number.

51116374 is a deficient number, since it is larger than the sum of its proper divisors (26047034).

51116374 is a wasteful number, since it uses less digits than its factorization.

51116374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162950.

The product of its digits is 2520, while the sum is 28.

The square root of 51116374 is about 7149.5715955573. The cubic root of 51116374 is about 371.1248311535.

Adding to 51116374 its reverse (47361115), we get a palindrome (98477489).

The spelling of 51116374 in words is "fifty-one million, one hundred sixteen thousand, three hundred seventy-four".

Divisors: 1 2 157 314 162791 325582 25558187 51116374