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3952472992 = 25139501137
BaseRepresentation
bin1110101110010101…
…1111001110100000
3101012110021102122121
43223211133032200
531043313113432
61452111114024
7166642315606
oct35345371640
911173242577
103952472992
111749082506
12923812914
134acb20b20
14296d01876
15181ed8197
hexeb95f3a0

3952472992 has 24 divisors (see below), whose sum is σ = 8380003716. Its totient is φ = 1824218112.

The previous prime is 3952472983. The next prime is 3952473029. The reversal of 3952472992 is 2992742593.

It can be written as a sum of positive squares in 2 ways, for example, as 3037773456 + 914699536 = 55116^2 + 30244^2 .

It is a Harshad number since it is a multiple of its sum of digits (52).

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, 4750153 + ... + 4750984.

Almost surely, 23952472992 is an apocalyptic number.

3952472992 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3952472992 is an abundant number, since it is smaller than the sum of its proper divisors (4427530724).

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

3952472992 is a wasteful number, since it uses less digits than its factorization.

3952472992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9501160 (or 9501152 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 52.

The square root of 3952472992 is about 62868.6964394841. The cubic root of 3952472992 is about 1581.0889507493.

The spelling of 3952472992 in words is "three billion, nine hundred fifty-two million, four hundred seventy-two thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 13 16 26 32 52 104 208 416 9501137 19002274 38004548 76009096 123514781 152018192 247029562 304036384 494059124 988118248 1976236496 3952472992