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47190864 = 2437140449
BaseRepresentation
bin1011010000000…
…1001101010000
310021210112200210
42310001031100
544040101424
64403244120
71112054460
oct264011520
9107715623
1047190864
1124702216
1213979640
139a138b6
1463a5ba0
154222729
hex2d01350

47190864 has 40 divisors (see below), whose sum is σ = 139326400. Its totient is φ = 13483008.

The previous prime is 47190853. The next prime is 47190901. The reversal of 47190864 is 46809174.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69889 + ... + 70560.

It is an arithmetic number, because the mean of its divisors is an integer number (3483160).

Almost surely, 247190864 is an apocalyptic number.

It is an amenable number.

47190864 is an abundant number, since it is smaller than the sum of its proper divisors (92135536).

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

47190864 is a wasteful number, since it uses less digits than its factorization.

47190864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140467 (or 140461 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 47190864 is about 6869.5606846435. The cubic root of 47190864 is about 361.3704553150.

The spelling of 47190864 in words is "forty-seven million, one hundred ninety thousand, eight hundred sixty-four".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 112 168 336 140449 280898 421347 561796 842694 983143 1123592 1685388 1966286 2247184 2949429 3370776 3932572 5898858 6741552 7865144 11797716 15730288 23595432 47190864