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2872380944 = 24237805383
BaseRepresentation
bin1010101100110101…
…0000111000010000
321102011220001220102
42223031100320100
521340312142234
61153005031532
7131115556316
oct25315207020
97364801812
102872380944
111244425354
12681b555a8
1336a1206c4
141d36a60b6
1511c285c7e
hexab350e10

2872380944 has 20 divisors (see below), whose sum is σ = 5807205696. Its totient is φ = 1373747232.

The previous prime is 2872380937. The next prime is 2872380949. The reversal of 2872380944 is 4490832782.

It is a super-2 number, since 2×28723809442 = 16501144574908662272, which contains 22 as substring.

It is a Smith number, since the sum of its digits (47) 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 (2872380949) 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, 3902324 + ... + 3903059.

Almost surely, 22872380944 is an apocalyptic number.

It is an amenable number.

2872380944 is an abundant number, since it is smaller than the sum of its proper divisors (2934824752).

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

2872380944 is a wasteful number, since it uses less digits than its factorization.

2872380944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7805414 (or 7805408 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 47.

The square root of 2872380944 is about 53594.5980860012. The cubic root of 2872380944 is about 1421.5015763173.

The spelling of 2872380944 in words is "two billion, eight hundred seventy-two million, three hundred eighty thousand, nine hundred forty-four".

Divisors: 1 2 4 8 16 23 46 92 184 368 7805383 15610766 31221532 62443064 124886128 179523809 359047618 718095236 1436190472 2872380944