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47886986 = 273420499
BaseRepresentation
bin1011011010101…
…1001010001010
310100002220121002
42312223022022
544224340421
64430215002
71121014130
oct266531212
9110086532
1047886986
1125038224
1214054462
139bc86c4
146507750
15430db0b
hex2dab28a

47886986 has 8 divisors (see below), whose sum is σ = 82092000. Its totient is φ = 20522988.

The previous prime is 47886983. The next prime is 47886997. The reversal of 47886986 is 68968874.

47886986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (47886983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1710236 + ... + 1710263.

It is an arithmetic number, because the mean of its divisors is an integer number (10261500).

Almost surely, 247886986 is an apocalyptic number.

47886986 is a deficient number, since it is larger than the sum of its proper divisors (34205014).

47886986 is a wasteful number, since it uses less digits than its factorization.

47886986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3420508.

The product of its digits is 4644864, while the sum is 56.

The square root of 47886986 is about 6920.0423409109. The cubic root of 47886986 is about 363.1386721103.

The spelling of 47886986 in words is "forty-seven million, eight hundred eighty-six thousand, nine hundred eighty-six".

Divisors: 1 2 7 14 3420499 6840998 23943493 47886986