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677725389 = 321129594001
BaseRepresentation
bin101000011001010…
…100010011001101
31202020021000110100
4220121110103031
52341444203024
6151130001313
722536366525
oct5031242315
91666230410
10677725389
11318616130
1216ab76239
13aa540853
146601a685
153e7727c9
hex286544cd

677725389 has 48 divisors (see below), whose sum is σ = 1123761600. Its totient is φ = 389760000.

The previous prime is 677725361. The next prime is 677725393. The reversal of 677725389 is 983527776.

It is not a de Polignac number, because 677725389 - 27 = 677725261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677725339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 167389 + ... + 171389.

It is an arithmetic number, because the mean of its divisors is an integer number (23411700).

Almost surely, 2677725389 is an apocalyptic number.

It is an amenable number.

677725389 is a deficient number, since it is larger than the sum of its proper divisors (446036211).

677725389 is a wasteful number, since it uses less digits than its factorization.

677725389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4106 (or 4103 counting only the distinct ones).

The product of its digits is 4445280, while the sum is 54.

The square root of 677725389 is about 26033.1594125646. The cubic root of 677725389 is about 878.3843413766.

The spelling of 677725389 in words is "six hundred seventy-seven million, seven hundred twenty-five thousand, three hundred eighty-nine".

Divisors: 1 3 9 11 29 33 59 87 99 177 261 319 531 649 957 1711 1947 2871 4001 5133 5841 12003 15399 18821 36009 44011 56463 116029 132033 169389 236059 348087 396099 708177 1044261 1276319 2124531 2596649 3828957 6845711 7789947 11486871 20537133 23369841 61611399 75302821 225908463 677725389