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51120214 = 2232938321
BaseRepresentation
bin1100001100000…
…0100001010110
310120012011202021
43003000201112
5101041321324
65023403354
71160341345
oct303004126
9116164667
1051120214
1126946412
121515355a
13a78b262
146b09b5c
15474bae4
hex30c0856

51120214 has 16 divisors (see below), whose sum is σ = 82775520. Its totient is φ = 23605120.

The previous prime is 51120211. The next prime is 51120217. The reversal of 51120214 is 41202115.

It is an interprime number because it is at equal distance from previous prime (51120211) and next prime (51120217).

It is a super-2 number, since 2×511202142 = 5226552558811592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51120211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17827 + ... + 20494.

It is an arithmetic number, because the mean of its divisors is an integer number (5173470).

Almost surely, 251120214 is an apocalyptic number.

51120214 is a deficient number, since it is larger than the sum of its proper divisors (31655306).

51120214 is a wasteful number, since it uses less digits than its factorization.

51120214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38375.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 51120214 is about 7149.8401380730. The cubic root of 51120214 is about 371.1341242205.

Adding to 51120214 its reverse (41202115), we get a palindrome (92322329).

The spelling of 51120214 in words is "fifty-one million, one hundred twenty thousand, two hundred fourteen".

Divisors: 1 2 23 29 46 58 667 1334 38321 76642 881383 1111309 1762766 2222618 25560107 51120214