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47899313 = 721188867
BaseRepresentation
bin1011011010111…
…0001010110001
310100010112111122
42312232022301
544230234223
64430352025
71121065100
oct266561261
9110115448
1047899313
1125046510
121405b615
139c011b7
14650c037
1543125c8
hex2dae2b1

47899313 has 12 divisors (see below), whose sum is σ = 60785712. Its totient is φ = 37323720.

The previous prime is 47899307. The next prime is 47899339. The reversal of 47899313 is 31399874.

It is a happy number.

It is not a de Polignac number, because 47899313 - 26 = 47899249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47899303) 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, 43895 + ... + 44972.

It is an arithmetic number, because the mean of its divisors is an integer number (5065476).

Almost surely, 247899313 is an apocalyptic number.

It is an amenable number.

47899313 is a deficient number, since it is larger than the sum of its proper divisors (12886399).

47899313 is a wasteful number, since it uses less digits than its factorization.

47899313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88892 (or 88885 counting only the distinct ones).

The product of its digits is 163296, while the sum is 44.

The square root of 47899313 is about 6920.9329573404. The cubic root of 47899313 is about 363.1698289843.

The spelling of 47899313 in words is "forty-seven million, eight hundred ninety-nine thousand, three hundred thirteen".

Divisors: 1 7 11 49 77 539 88867 622069 977537 4354483 6842759 47899313