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47412986 = 223706493
BaseRepresentation
bin1011010011011…
…1011011111010
310022012211101112
42310313123322
544114203421
64412120322
71114001165
oct264673372
9108184345
1047412986
1124844095
1213a660a2
139a90a2a
146422adc
15426845b
hex2d376fa

47412986 has 4 divisors (see below), whose sum is σ = 71119482. Its totient is φ = 23706492.

The previous prime is 47412979. The next prime is 47412991. The reversal of 47412986 is 68921474.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 33582025 + 13830961 = 5795^2 + 3719^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11853245 + ... + 11853248.

Almost surely, 247412986 is an apocalyptic number.

47412986 is a deficient number, since it is larger than the sum of its proper divisors (23706496).

47412986 is a wasteful number, since it uses less digits than its factorization.

47412986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23706495.

The product of its digits is 96768, while the sum is 41.

The square root of 47412986 is about 6885.7088233529. The cubic root of 47412986 is about 361.9365445382.

The spelling of 47412986 in words is "forty-seven million, four hundred twelve thousand, nine hundred eighty-six".

Divisors: 1 2 23706493 47412986