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676149140 = 22533807457
BaseRepresentation
bin101000010011010…
…011011110010100
31202010021221020202
4220103103132110
52341043233030
6151032120032
722520113202
oct5023233624
91663257222
10676149140
11317739947
1216a536018
13aa10b264
1465b2a072
153e560745
hex284d3794

676149140 has 12 divisors (see below), whose sum is σ = 1419913236. Its totient is φ = 270459648.

The previous prime is 676149139. The next prime is 676149151. The reversal of 676149140 is 41941676.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 145491844 + 530657296 = 12062^2 + 23036^2 .

It is a junction number, because it is equal to n+sod(n) for n = 676149094 and 676149103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16903709 + ... + 16903748.

It is an arithmetic number, because the mean of its divisors is an integer number (118326103).

Almost surely, 2676149140 is an apocalyptic number.

It is an amenable number.

676149140 is an abundant number, since it is smaller than the sum of its proper divisors (743764096).

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

676149140 is a wasteful number, since it uses less digits than its factorization.

676149140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33807466 (or 33807464 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 676149140 is about 26002.8679187508. The cubic root of 676149140 is about 877.7028326881.

The spelling of 676149140 in words is "six hundred seventy-six million, one hundred forty-nine thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 33807457 67614914 135229828 169037285 338074570 676149140