Search a number
-
+
47022668 = 22711152671
BaseRepresentation
bin1011001101100…
…0001001001100
310021110222222022
42303120021030
544014211133
64355505312
71110454220
oct263301114
9107428868
1047022668
11245a7910
12138b8238
139985184
146360780
1541dc998
hex2cd824c

47022668 has 24 divisors (see below), whose sum is σ = 102595584. Its totient is φ = 18320400.

The previous prime is 47022667. The next prime is 47022673. The reversal of 47022668 is 86622074.

It is a super-2 number, since 2×470226682 = 4422262611676448, which contains 22 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (47022667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76028 + ... + 76643.

It is an arithmetic number, because the mean of its divisors is an integer number (4274816).

Almost surely, 247022668 is an apocalyptic number.

It is an amenable number.

47022668 is an abundant number, since it is smaller than the sum of its proper divisors (55572916).

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

47022668 is a wasteful number, since it uses less digits than its factorization.

47022668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152693 (or 152691 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 47022668 is about 6857.3076349249. The cubic root of 47022668 is about 360.9406163271.

The spelling of 47022668 in words is "forty-seven million, twenty-two thousand, six hundred sixty-eight".

Divisors: 1 2 4 7 11 14 22 28 44 77 154 308 152671 305342 610684 1068697 1679381 2137394 3358762 4274788 6717524 11755667 23511334 47022668