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695070820 = 22534753541
BaseRepresentation
bin101001011011011…
…111000001100100
31210102220020220201
4221123133001210
52410414231240
6152545440244
723140001353
oct5133370144
91712806821
10695070820
11327392aa4
12174940084
13b1004912
146845399a
154104bd9a
hex296df064

695070820 has 12 divisors (see below), whose sum is σ = 1459648764. Its totient is φ = 278028320.

The previous prime is 695070793. The next prime is 695070821. The reversal of 695070820 is 28070596.

695070820 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 2 ways, for example, as 405458496 + 289612324 = 20136^2 + 17018^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 695070820.

It is not an unprimeable number, because it can be changed into a prime (695070821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17376751 + ... + 17376790.

It is an arithmetic number, because the mean of its divisors is an integer number (121637397).

Almost surely, 2695070820 is an apocalyptic number.

It is an amenable number.

695070820 is an abundant number, since it is smaller than the sum of its proper divisors (764577944).

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

695070820 is a wasteful number, since it uses less digits than its factorization.

695070820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34753550 (or 34753548 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 695070820 is about 26364.1957965723. The cubic root of 695070820 is about 885.8149769823.

The spelling of 695070820 in words is "six hundred ninety-five million, seventy thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 34753541 69507082 139014164 173767705 347535410 695070820