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676649061 = 321121075807
BaseRepresentation
bin101000010101001…
…101100001100101
31202011020100000100
4220111031201211
52341210232221
6151050534313
722524264534
oct5025154145
91664210010
10676649061
11317a50500
1216a737399
13aa25497a
1465c1a31b
153e60d926
hex2854d865

676649061 has 36 divisors (see below), whose sum is σ = 1084539456. Its totient is φ = 406187760.

The previous prime is 676649053. The next prime is 676649087. The reversal of 676649061 is 160946676.

It is a happy number.

It is not a de Polignac number, because 676649061 - 23 = 676649053 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 676648998 and 676649016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (676649761) 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 35 ways as a sum of consecutive naturals, for example, 113620 + ... + 119426.

It is an arithmetic number, because the mean of its divisors is an integer number (30126096).

Almost surely, 2676649061 is an apocalyptic number.

It is an amenable number.

676649061 is a deficient number, since it is larger than the sum of its proper divisors (407890395).

676649061 is a wasteful number, since it uses less digits than its factorization.

676649061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5942 (or 5928 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 676649061 is about 26012.4789476128. The cubic root of 676649061 is about 877.9190936461.

The spelling of 676649061 in words is "six hundred seventy-six million, six hundred forty-nine thousand, sixty-one".

Divisors: 1 3 9 11 33 99 107 121 321 363 963 1089 1177 3531 5807 10593 12947 17421 38841 52263 63877 116523 191631 574893 621349 702647 1864047 2107941 5592141 6323823 6834839 20504517 61513551 75183229 225549687 676649061