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655093969 is a prime number
BaseRepresentation
bin100111000010111…
…111000011010001
31200122200012222121
4213002333003101
52320201001334
6145000534241
722143130645
oct4702770321
91618605877
10655093969
11306868882
12163481381
13a594878a
1463008c25
153c7a1db4
hex270bf0d1

655093969 has 2 divisors, whose sum is σ = 655093970. Its totient is φ = 655093968.

The previous prime is 655093937. The next prime is 655093973. The reversal of 655093969 is 969390556.

655093969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 396527569 + 258566400 = 19913^2 + 16080^2 .

It is a cyclic number.

It is not a de Polignac number, because 655093969 - 25 = 655093937 is a prime.

It is a super-2 number, since 2×6550939692 = 858296216440345922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (655093909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327546984 + 327546985.

It is an arithmetic number, because the mean of its divisors is an integer number (327546985).

Almost surely, 2655093969 is an apocalyptic number.

It is an amenable number.

655093969 is a deficient number, since it is larger than the sum of its proper divisors (1).

655093969 is an equidigital number, since it uses as much as digits as its factorization.

655093969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1968300, while the sum is 52.

The square root of 655093969 is about 25594.8035546280. The cubic root of 655093969 is about 868.4960889762.

The spelling of 655093969 in words is "six hundred fifty-five million, ninety-three thousand, nine hundred sixty-nine".