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47091107 = 723592677
BaseRepresentation
bin1011001110100…
…0110110100011
310021121110212002
42303220312203
544023403412
64401154215
71111160600
oct263506643
9107543762
1047091107
1124644278
121392b96b
1399aa37b
14637b6a7
154202dc2
hex2ce8da3

47091107 has 12 divisors (see below), whose sum is σ = 54952560. Its totient is φ = 40236336.

The previous prime is 47091103. The next prime is 47091131. The reversal of 47091107 is 70119074.

It is not a de Polignac number, because 47091107 - 22 = 47091103 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47091107.

It is not an unprimeable number, because it can be changed into a prime (47091103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16253 + ... + 18929.

It is an arithmetic number, because the mean of its divisors is an integer number (4579380).

Almost surely, 247091107 is an apocalyptic number.

47091107 is a deficient number, since it is larger than the sum of its proper divisors (7861453).

47091107 is a wasteful number, since it uses less digits than its factorization.

47091107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3050 (or 3043 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 29.

The square root of 47091107 is about 6862.2960443280. The cubic root of 47091107 is about 361.1156414176.

The spelling of 47091107 in words is "forty-seven million, ninety-one thousand, one hundred seven".

Divisors: 1 7 49 359 2513 2677 17591 18739 131173 961043 6727301 47091107