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51662214 = 2324170003
BaseRepresentation
bin1100010100010…
…0110110000110
310121012201020100
43011010312012
5101211142324
65043144530
71165056462
oct305046606
9117181210
1051662214
112718664a
1215375146
13a91ab76
146c0b4a2
1548074c9
hex3144d86

51662214 has 24 divisors (see below), whose sum is σ = 114666552. Its totient is φ = 16800480.

The previous prime is 51662183. The next prime is 51662231. The reversal of 51662214 is 41226615.

It is a congruent number.

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 in 11 ways as a sum of consecutive naturals, for example, 34264 + ... + 35739.

It is an arithmetic number, because the mean of its divisors is an integer number (4777773).

Almost surely, 251662214 is an apocalyptic number.

51662214 is an abundant number, since it is smaller than the sum of its proper divisors (63004338).

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

51662214 is a wasteful number, since it uses less digits than its factorization.

51662214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70052 (or 70049 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 51662214 is about 7187.6431464006. The cubic root of 51662214 is about 372.4411606236.

Adding to 51662214 its reverse (41226615), we get a palindrome (92888829).

It can be divided in two parts, 516622 and 14, that added together give a triangular number (516636 = T1016).

The spelling of 51662214 in words is "fifty-one million, six hundred sixty-two thousand, two hundred fourteen".

Divisors: 1 2 3 6 9 18 41 82 123 246 369 738 70003 140006 210009 420018 630027 1260054 2870123 5740246 8610369 17220738 25831107 51662214