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8625969 = 32112892
BaseRepresentation
bin100000111001…
…111100110001
3121020020121100
4200321330301
54202012334
6504515013
7133214412
oct40717461
917206540
108625969
114961900
122a7ba69
131a30331
141207809
15b55c99
hex839f31

8625969 has 27 divisors (see below), whose sum is σ = 13851019. Its totient is φ = 5169120.

The previous prime is 8625961. The next prime is 8625973. The reversal of 8625969 is 9695268.

The square root of 8625969 is 2937.

It is a perfect power (a square), and thus also a powerful number.

8625969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1656369 + 6969600 = 1287^2 + 2640^2 .

It is not a de Polignac number, because 8625969 - 23 = 8625961 is a prime.

It is a super-2 number, since 2×86259692 = 148814682377922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8625961) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 96877 + ... + 96965.

Almost surely, 28625969 is an apocalyptic number.

8625969 is a gapful number since it is divisible by the number (89) formed by its first and last digit.

8625969 is the 2937-th square number.

8625969 is the 1469-th centered octagonal number.

It is an amenable number.

8625969 is a deficient number, since it is larger than the sum of its proper divisors (5225050).

8625969 is a wasteful number, since it uses less digits than its factorization.

8625969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206 (or 103 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The cubic root of 8625969 is about 205.0859762311.

The spelling of 8625969 in words is "eight million, six hundred twenty-five thousand, nine hundred sixty-nine".

Divisors: 1 3 9 11 33 89 99 121 267 363 801 979 1089 2937 7921 8811 10769 23763 32307 71289 87131 96921 261393 784179 958441 2875323 8625969