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830277685 = 5296418933
BaseRepresentation
bin110001011111010…
…000100000110101
32010212022110212101
4301133100200311
53200022341220
6214215422101
726401146436
oct6137204065
92125273771
10830277685
11396740a06
121b2084931
13103024393
147c3ab48d
154cd5830a
hex317d0835

830277685 has 16 divisors (see below), whose sum is σ = 1032413040. Its totient is φ = 640245760.

The previous prime is 830277647. The next prime is 830277709. The reversal of 830277685 is 586772038.

It can be written as a sum of positive squares in 8 ways, for example, as 1874161 + 828403524 = 1369^2 + 28782^2 .

It is not a de Polignac number, because 830277685 - 215 = 830244917 is a prime.

It is a super-2 number, since 2×8302776852 = 1378722068417918450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88479 + ... + 97411.

It is an arithmetic number, because the mean of its divisors is an integer number (64525815).

Almost surely, 2830277685 is an apocalyptic number.

It is an amenable number.

830277685 is a deficient number, since it is larger than the sum of its proper divisors (202135355).

830277685 is a wasteful number, since it uses less digits than its factorization.

830277685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9608.

The product of its (nonzero) digits is 564480, while the sum is 46.

The square root of 830277685 is about 28814.5394722873. The cubic root of 830277685 is about 939.8844301103.

The spelling of 830277685 in words is "eight hundred thirty million, two hundred seventy-seven thousand, six hundred eighty-five".

Divisors: 1 5 29 145 641 3205 8933 18589 44665 92945 259057 1295285 5726053 28630265 166055537 830277685