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51415130 = 2513675903
BaseRepresentation
bin1100010000100…
…0100001011010
310120202011022002
43010020201122
5101130241010
65034001002
71163010224
oct304104132
9116664262
1051415130
1127027a48
1215276162
13a862570
146b85414
1547a91a5
hex310885a

51415130 has 32 divisors (see below), whose sum is σ = 101170944. Its totient is φ = 18697536.

The previous prime is 51415129. The next prime is 51415139. The reversal of 51415130 is 3151415.

It is not an unprimeable number, because it can be changed into a prime (51415139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5759 + ... + 11661.

It is an arithmetic number, because the mean of its divisors is an integer number (3161592).

Almost surely, 251415130 is an apocalyptic number.

51415130 is a deficient number, since it is larger than the sum of its proper divisors (49755814).

51415130 is a wasteful number, since it uses less digits than its factorization.

51415130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5990.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 51415130 is about 7170.4344359320. The cubic root of 51415130 is about 371.8464554980.

Adding to 51415130 its reverse (3151415), we get a palindrome (54566545).

The spelling of 51415130 in words is "fifty-one million, four hundred fifteen thousand, one hundred thirty".

Divisors: 1 2 5 10 13 26 65 67 130 134 335 670 871 1742 4355 5903 8710 11806 29515 59030 76739 153478 383695 395501 767390 791002 1977505 3955010 5141513 10283026 25707565 51415130