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677384920 = 23533295087
BaseRepresentation
bin101000011000000…
…001001011011000
31202012121201102101
4220120001023120
52341402304140
6151114413144
722533451102
oct5030011330
91665551371
10677384920
11318403353
1216aa311b4
13aa4518a4
1465d6c572
153e70699a
hex286012d8

677384920 has 32 divisors (see below), whose sum is σ = 1524873600. Its totient is φ = 270819328.

The previous prime is 677384861. The next prime is 677384921. The reversal of 677384920 is 29483776.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677384921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130617 + ... + 135703.

It is an arithmetic number, because the mean of its divisors is an integer number (47652300).

Almost surely, 2677384920 is an apocalyptic number.

It is an amenable number.

677384920 is an abundant number, since it is smaller than the sum of its proper divisors (847488680).

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

677384920 is a wasteful number, since it uses less digits than its factorization.

677384920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8427 (or 8423 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 46.

The square root of 677384920 is about 26026.6194500938. The cubic root of 677384920 is about 878.2372253828.

The spelling of 677384920 in words is "six hundred seventy-seven million, three hundred eighty-four thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 3329 5087 6658 10174 13316 16645 20348 25435 26632 33290 40696 50870 66580 101740 133160 203480 16934623 33869246 67738492 84673115 135476984 169346230 338692460 677384920