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51272414 = 225636207
BaseRepresentation
bin1100001110010…
…1101011011110
310120110220112022
43003211223132
5101111204124
65030540142
71161544154
oct303455336
9116426468
1051272414
1126a3a7a6
1215207652
13a81260b
146b493d4
15477bc5e
hex30e5ade

51272414 has 4 divisors (see below), whose sum is σ = 76908624. Its totient is φ = 25636206.

The previous prime is 51272399. The next prime is 51272443. The reversal of 51272414 is 41427215.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12818102 + ... + 12818105.

It is an arithmetic number, because the mean of its divisors is an integer number (19227156).

Almost surely, 251272414 is an apocalyptic number.

51272414 is a deficient number, since it is larger than the sum of its proper divisors (25636210).

51272414 is a wasteful number, since it uses less digits than its factorization.

51272414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25636209.

The product of its digits is 2240, while the sum is 26.

The square root of 51272414 is about 7160.4758221783. The cubic root of 51272414 is about 371.5020846462.

Adding to 51272414 its reverse (41427215), we get a palindrome (92699629).

The spelling of 51272414 in words is "fifty-one million, two hundred seventy-two thousand, four hundred fourteen".

Divisors: 1 2 25636207 51272414