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676420136 = 23770117231
BaseRepresentation
bin101000010100010…
…101101000101000
31202010210200222122
4220110111220220
52341130421021
6151042010412
722522322240
oct5024255050
91663720878
10676420136
11317904507
1216a646a08
13aa1a4702
1465b9ab20
153e5b5bab
hex28515a28

676420136 has 32 divisors (see below), whose sum is σ = 1451623680. Its totient is φ = 289464000.

The previous prime is 676420097. The next prime is 676420153. The reversal of 676420136 is 631024676.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 676420096 and 676420105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30641 + ... + 47871.

It is an arithmetic number, because the mean of its divisors is an integer number (45363240).

Almost surely, 2676420136 is an apocalyptic number.

It is an amenable number.

676420136 is an abundant number, since it is smaller than the sum of its proper divisors (775203544).

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

676420136 is a wasteful number, since it uses less digits than its factorization.

676420136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17945 (or 17941 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 676420136 is about 26008.0782834872. The cubic root of 676420136 is about 877.8200761448.

The spelling of 676420136 in words is "six hundred seventy-six million, four hundred twenty thousand, one hundred thirty-six".

Divisors: 1 2 4 7 8 14 28 56 701 1402 2804 4907 5608 9814 17231 19628 34462 39256 68924 120617 137848 241234 482468 964936 12078931 24157862 48315724 84552517 96631448 169105034 338210068 676420136