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689299696 = 2423281439
BaseRepresentation
bin101001000101011…
…110000011110000
31210001001001102101
4221011132003300
52402430042241
6152222030144
723036644051
oct5105360360
91701031371
10689299696
11324101078
12172a18354
13aca63b57
1467790728
15407abe31
hex2915e0f0

689299696 has 30 divisors (see below), whose sum is σ = 1396125920. Its totient is φ = 329661024.

The previous prime is 689299691. The next prime is 689299703. The reversal of 689299696 is 696992986.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (689299691) 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 5 ways as a sum of consecutive naturals, for example, 32256 + ... + 49183.

Almost surely, 2689299696 is an apocalyptic number.

It is an amenable number.

689299696 is an abundant number, since it is smaller than the sum of its proper divisors (706826224).

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

689299696 is a wasteful number, since it uses less digits than its factorization.

689299696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81493 (or 81464 counting only the distinct ones).

The product of its digits is 22674816, while the sum is 64.

The square root of 689299696 is about 26254.5176303051. The cubic root of 689299696 is about 883.3565405398.

The spelling of 689299696 in words is "six hundred eighty-nine million, two hundred ninety-nine thousand, six hundred ninety-six".

Divisors: 1 2 4 8 16 23 46 92 184 368 529 1058 2116 4232 8464 81439 162878 325756 651512 1303024 1873097 3746194 7492388 14984776 29969552 43081231 86162462 172324924 344649848 689299696