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2552172972 = 223239889879
BaseRepresentation
bin1001100000011111…
…0001000110101100
320120212100211010220
42120013301012230
520211324013342
61101125531340
7120150053346
oct23007610654
96525324126
102552172972
11109a6a9368
125b2873b50
1331899892b
141a2d52296
15ee0d45ec
hex981f11ac

2552172972 has 24 divisors (see below), whose sum is σ = 5979993600. Its totient is φ = 847163856.

The previous prime is 2552172949. The next prime is 2552172977. The reversal of 2552172972 is 2792712552.

It is not an unprimeable number, because it can be changed into a prime (2552172977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 442072 + ... + 447807.

It is an arithmetic number, because the mean of its divisors is an integer number (249166400).

Almost surely, 22552172972 is an apocalyptic number.

It is an amenable number.

2552172972 is an abundant number, since it is smaller than the sum of its proper divisors (3427820628).

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

2552172972 is a wasteful number, since it uses less digits than its factorization.

2552172972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890125 (or 890123 counting only the distinct ones).

The product of its digits is 176400, while the sum is 42.

The square root of 2552172972 is about 50519.0357390162. The cubic root of 2552172972 is about 1366.5851643114.

The spelling of 2552172972 in words is "two billion, five hundred fifty-two million, one hundred seventy-two thousand, nine hundred seventy-two".

Divisors: 1 2 3 4 6 12 239 478 717 956 1434 2868 889879 1779758 2669637 3559516 5339274 10678548 212681081 425362162 638043243 850724324 1276086486 2552172972