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676688629 = 19122928979
BaseRepresentation
bin101000010101010…
…111001011110101
31202011022100021211
4220111113023311
52341213014004
6151051441421
722524521101
oct5025271365
91664270254
10676688629
11317a78201
1216a756271
13aa269996
1465c2a901
153e61a504
hex285572f5

676688629 has 8 divisors (see below), whose sum is σ = 712908000. Its totient is φ = 640529712.

The previous prime is 676688567. The next prime is 676688633. The reversal of 676688629 is 926886676.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 676688629 - 27 = 676688501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (676688669) 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, 8862 + ... + 37840.

It is an arithmetic number, because the mean of its divisors is an integer number (89113500).

Almost surely, 2676688629 is an apocalyptic number.

It is an amenable number.

676688629 is a deficient number, since it is larger than the sum of its proper divisors (36219371).

676688629 is a wasteful number, since it uses less digits than its factorization.

676688629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30227.

The product of its digits is 10450944, while the sum is 58.

The square root of 676688629 is about 26013.2394945343. The cubic root of 676688629 is about 877.9362058281.

The spelling of 676688629 in words is "six hundred seventy-six million, six hundred eighty-eight thousand, six hundred twenty-nine".

Divisors: 1 19 1229 23351 28979 550601 35615191 676688629