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51347130 = 2352816091
BaseRepresentation
bin1100001111011…
…1111010111010
310120121201000120
43003313322322
5101121102010
65032314110
71162305042
oct303677272
9116551016
1051347130
1126a9094a
1215242936
13a83a623
146b68722
154793e70
hex30f7eba

51347130 has 32 divisors (see below), whose sum is σ = 123691968. Its totient is φ = 13641600.

The previous prime is 51347113. The next prime is 51347137. The reversal of 51347130 is 3174315.

It is a self number, because there is not a number n which added to its sum of digits gives 51347130.

It is not an unprimeable number, because it can be changed into a prime (51347137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5385 + ... + 11475.

It is an arithmetic number, because the mean of its divisors is an integer number (3865374).

Almost surely, 251347130 is an apocalyptic number.

51347130 is an abundant number, since it is smaller than the sum of its proper divisors (72344838).

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

51347130 is a wasteful number, since it uses less digits than its factorization.

51347130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6382.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 51347130 is about 7165.6911739203. The cubic root of 51347130 is about 371.6824524476.

The spelling of 51347130 in words is "fifty-one million, three hundred forty-seven thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 281 562 843 1405 1686 2810 4215 6091 8430 12182 18273 30455 36546 60910 91365 182730 1711571 3423142 5134713 8557855 10269426 17115710 25673565 51347130