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51927099 = 372472719
BaseRepresentation
bin1100011000010…
…1100000111011
310121201011120220
43012011200323
5101243131344
65052551123
71200241650
oct306054073
9117634526
1051927099
1127347664
12154824a3
13a9b15c3
146c79c27
15485ac19
hex318583b

51927099 has 8 divisors (see below), whose sum is σ = 79127040. Its totient is φ = 29672616.

The previous prime is 51927097. The next prime is 51927119. The reversal of 51927099 is 99072915.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51927099 - 21 = 51927097 is a prime.

It is a super-2 number, since 2×519270992 = 5392847221111602, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 51927099.

It is not an unprimeable number, because it can be changed into a prime (51927091) 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, 1236339 + ... + 1236380.

It is an arithmetic number, because the mean of its divisors is an integer number (9890880).

Almost surely, 251927099 is an apocalyptic number.

51927099 is a deficient number, since it is larger than the sum of its proper divisors (27199941).

51927099 is a wasteful number, since it uses less digits than its factorization.

51927099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2472729.

The product of its (nonzero) digits is 51030, while the sum is 42.

The square root of 51927099 is about 7206.0460031837. The cubic root of 51927099 is about 373.0766085965.

The spelling of 51927099 in words is "fifty-one million, nine hundred twenty-seven thousand, ninety-nine".

Divisors: 1 3 7 21 2472719 7418157 17309033 51927099