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47055144 = 2331960631
BaseRepresentation
bin1011001110000…
…0000100101000
310021112122112010
42303200010220
544021231034
64400315520
71110651003
oct263400450
9107478463
1047055144
112461a254
1213912ba0
139996ba6
14636c53a
1541e73e9
hex2ce0128

47055144 has 16 divisors (see below), whose sum is σ = 117637920. Its totient is φ = 15685040.

The previous prime is 47055119. The next prime is 47055181. The reversal of 47055144 is 44155074.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 980292 + ... + 980339.

It is an arithmetic number, because the mean of its divisors is an integer number (7352370).

Almost surely, 247055144 is an apocalyptic number.

It is an amenable number.

47055144 is an abundant number, since it is smaller than the sum of its proper divisors (70582776).

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

47055144 is a wasteful number, since it uses less digits than its factorization.

47055144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1960640 (or 1960636 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 30.

The square root of 47055144 is about 6859.6752109703. The cubic root of 47055144 is about 361.0236912243.

The spelling of 47055144 in words is "forty-seven million, fifty-five thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 12 24 1960631 3921262 5881893 7842524 11763786 15685048 23527572 47055144