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677261052 = 2232131447139
BaseRepresentation
bin101000010111100…
…010111011111100
31202012101102111200
4220113202323330
52341334323202
6151112015500
722532424006
oct5027427374
91665342450
10677261052
11318329286
1216a991590
13aa40a3b0
1465d39376
153e6cee1c
hex285e2efc

677261052 has 36 divisors (see below), whose sum is σ = 1843656360. Its totient is φ = 208387872.

The previous prime is 677261029. The next prime is 677261063. The reversal of 677261052 is 250162776.

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

It is a super-2 number, since 2×6772610522 = 917365065112293408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 677260998 and 677261016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 723102 + ... + 724037.

Almost surely, 2677261052 is an apocalyptic number.

It is an amenable number.

677261052 is an abundant number, since it is smaller than the sum of its proper divisors (1166395308).

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

677261052 is a wasteful number, since it uses less digits than its factorization.

677261052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1447162 (or 1447157 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 677261052 is about 26024.2397007098. The cubic root of 677261052 is about 878.1836900309.

The spelling of 677261052 in words is "six hundred seventy-seven million, two hundred sixty-one thousand, fifty-two".

Divisors: 1 2 3 4 6 9 12 13 18 26 36 39 52 78 117 156 234 468 1447139 2894278 4341417 5788556 8682834 13024251 17365668 18812807 26048502 37625614 52097004 56438421 75251228 112876842 169315263 225753684 338630526 677261052