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676147860 = 223253756377
BaseRepresentation
bin101000010011010…
…011001010010100
31202010021212111100
4220103103022110
52341043212420
6151032110100
722520106363
oct5023231224
91663255440
10676147860
11317738993
1216a535330
13aa10a7bb
1465b297da
153e560190
hex284d3294

676147860 has 36 divisors (see below), whose sum is σ = 2050982388. Its totient is φ = 180306048.

The previous prime is 676147841. The next prime is 676147883. The reversal of 676147860 is 68741676.

676147860 is a `hidden beast` number, since 67 + 61 + 478 + 60 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 514654596 + 161493264 = 22686^2 + 12708^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1878009 + ... + 1878368.

It is an arithmetic number, because the mean of its divisors is an integer number (56971733).

Almost surely, 2676147860 is an apocalyptic number.

676147860 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

676147860 is an abundant number, since it is smaller than the sum of its proper divisors (1374834528).

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

676147860 is a wasteful number, since it uses less digits than its factorization.

676147860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3756392 (or 3756387 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 676147860 is about 26002.8433060694. The cubic root of 676147860 is about 877.7022788358.

The spelling of 676147860 in words is "six hundred seventy-six million, one hundred forty-seven thousand, eight hundred sixty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 3756377 7512754 11269131 15025508 18781885 22538262 33807393 37563770 45076524 56345655 67614786 75127540 112691310 135229572 169036965 225382620 338073930 676147860