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679906633 = 7500919391
BaseRepresentation
bin101000100001101…
…000110101001001
31202101100211120011
4220201220311021
52343024003013
6151244431521
722564053040
oct5041506511
91671324504
10679906633
11319875a0a
1216b8485a1
13aab25623
1466427557
153ea53c3d
hex28868d49

679906633 has 8 divisors (see below), whose sum is σ = 777231360. Its totient is φ = 582630720.

The previous prime is 679906613. The next prime is 679906639. The reversal of 679906633 is 336609976.

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

It is not a de Polignac number, because 679906633 - 29 = 679906121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (679906639) 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, 25368 + ... + 44758.

It is an arithmetic number, because the mean of its divisors is an integer number (97153920).

Almost surely, 2679906633 is an apocalyptic number.

It is an amenable number.

679906633 is a deficient number, since it is larger than the sum of its proper divisors (97324727).

679906633 is a wasteful number, since it uses less digits than its factorization.

679906633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24407.

The product of its (nonzero) digits is 1102248, while the sum is 49.

The square root of 679906633 is about 26075.0193288519. The cubic root of 679906633 is about 879.3256856487.

The spelling of 679906633 in words is "six hundred seventy-nine million, nine hundred six thousand, six hundred thirty-three".

Divisors: 1 7 5009 19391 35063 135737 97129519 679906633