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966913825 = 52103337441
BaseRepresentation
bin111001101000011…
…110111100100001
32111101102022102011
4321220132330201
53440012220300
6235540152521
732650426513
oct7150367441
92441368364
10966913825
11456885739
1222b998741
13125424577
14925b7bb3
1559d47eba
hex39a1ef21

966913825 has 12 divisors (see below), whose sum is σ = 1200165868. Its totient is φ = 772761600.

The previous prime is 966913823. The next prime is 966913861. The reversal of 966913825 is 528319669.

It can be written as a sum of positive squares in 6 ways, for example, as 29084449 + 937829376 = 5393^2 + 30624^2 .

It is not a de Polignac number, because 966913825 - 21 = 966913823 is a prime.

It is a super-2 number, since 2×9669138252 = 1869844689952261250, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (966913823) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7105 + ... + 44545.

Almost surely, 2966913825 is an apocalyptic number.

It is an amenable number.

966913825 is a deficient number, since it is larger than the sum of its proper divisors (233252043).

966913825 is a wasteful number, since it uses less digits than its factorization.

966913825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38484 (or 38479 counting only the distinct ones).

The product of its digits is 699840, while the sum is 49.

The square root of 966913825 is about 31095.2379794720. The cubic root of 966913825 is about 988.8473559242.

The spelling of 966913825 in words is "nine hundred sixty-six million, nine hundred thirteen thousand, eight hundred twenty-five".

Divisors: 1 5 25 1033 5165 25825 37441 187205 936025 38676553 193382765 966913825