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677480481 = 321713732321
BaseRepresentation
bin101000011000011…
…000100000100001
31202012210120111200
4220120120200201
52341413333411
6151120431413
722534326516
oct5030304041
91665716450
10677480481
11318469127
1216aa78569
13aa486232
1465d9530d
153e724e56
hex28618821

677480481 has 24 divisors (see below), whose sum is σ = 1043742024. Its totient is φ = 421969920.

The previous prime is 677480477. The next prime is 677480491. The reversal of 677480481 is 184084776.

It can be written as a sum of positive squares in 4 ways, for example, as 164865600 + 512614881 = 12840^2 + 22641^2 .

It is not a de Polignac number, because 677480481 - 22 = 677480477 is a prime.

It is a super-2 number, since 2×6774804812 = 917959604271982722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (677480411) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4801 + ... + 37121.

It is an arithmetic number, because the mean of its divisors is an integer number (43489251).

Almost surely, 2677480481 is an apocalyptic number.

It is an amenable number.

677480481 is a deficient number, since it is larger than the sum of its proper divisors (366261543).

677480481 is a wasteful number, since it uses less digits than its factorization.

677480481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32481 (or 32478 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 45.

The square root of 677480481 is about 26028.4552173194. The cubic root of 677480481 is about 878.2785220807.

The spelling of 677480481 in words is "six hundred seventy-seven million, four hundred eighty thousand, four hundred eighty-one".

Divisors: 1 3 9 17 51 137 153 411 1233 2329 6987 20961 32321 96963 290889 549457 1648371 4427977 4945113 13283931 39851793 75275609 225826827 677480481