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47097486 = 2328213187
BaseRepresentation
bin1011001110101…
…0011010001110
310021121210121100
42303222122032
544024104421
64401243530
71111215312
oct263523216
9107553540
1047097486
1124649047
12139335a6
1399b0247
14637db42
154204c26
hex2cea68e

47097486 has 24 divisors (see below), whose sum is σ = 102200904. Its totient is φ = 15675120.

The previous prime is 47097481. The next prime is 47097487. The reversal of 47097486 is 68479074.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47097481) 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, 13185 + ... + 16371.

It is an arithmetic number, because the mean of its divisors is an integer number (4258371).

Almost surely, 247097486 is an apocalyptic number.

47097486 is an abundant number, since it is smaller than the sum of its proper divisors (55103418).

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

47097486 is a wasteful number, since it uses less digits than its factorization.

47097486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4016 (or 4013 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 47097486 is about 6862.7608147159. The cubic root of 47097486 is about 361.1319463551.

The spelling of 47097486 in words is "forty-seven million, ninety-seven thousand, four hundred eighty-six".

Divisors: 1 2 3 6 9 18 821 1642 2463 3187 4926 6374 7389 9561 14778 19122 28683 57366 2616527 5233054 7849581 15699162 23548743 47097486