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7020965 = 57228657
BaseRepresentation
bin11010110010000110100101
3111012200221202
4122302012211
53244132330
6410252245
7113451200
oct32620645
914180852
107020965
113a65a56
122427085
1315ba923
14d0a937
1593a445
hex6b21a5

7020965 has 12 divisors (see below), whose sum is σ = 9801036. Its totient is φ = 4814208.

The previous prime is 7020953. The next prime is 7020971. The reversal of 7020965 is 5690207.

It can be written as a sum of positive squares in 2 ways, for example, as 1940449 + 5080516 = 1393^2 + 2254^2 .

It is not a de Polignac number, because 7020965 - 26 = 7020901 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14084 + ... + 14573.

It is an arithmetic number, because the mean of its divisors is an integer number (816753).

Almost surely, 27020965 is an apocalyptic number.

It is an amenable number.

7020965 is a deficient number, since it is larger than the sum of its proper divisors (2780071).

7020965 is a wasteful number, since it uses less digits than its factorization.

7020965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28676 (or 28669 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 7020965 is about 2649.7103615301. The cubic root of 7020965 is about 191.4839022342.

The spelling of 7020965 in words is "seven million, twenty thousand, nine hundred sixty-five".

Divisors: 1 5 7 35 49 245 28657 143285 200599 1002995 1404193 7020965