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168699230 = 25710332333
BaseRepresentation
bin10100000111000…
…10010101011110
3102202102210211122
422003202111132
5321141333410
624423450542
74115630330
oct1203422536
9382383748
10168699230
1187254257
12485b6a52
1328c4823b
1418595450
15ec24e55
hexa0e255e

168699230 has 32 divisors (see below), whose sum is σ = 347523264. Its totient is φ = 57758976.

The previous prime is 168699187. The next prime is 168699239. The reversal of 168699230 is 32996861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168699239) 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 15 ways as a sum of consecutive naturals, for example, 71144 + ... + 73476.

It is an arithmetic number, because the mean of its divisors is an integer number (10860102).

Almost surely, 2168699230 is an apocalyptic number.

168699230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

168699230 is an abundant number, since it is smaller than the sum of its proper divisors (178824034).

168699230 is a wasteful number, since it uses less digits than its factorization.

168699230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3380.

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 168699230 is about 12988.4267715532. The cubic root of 168699230 is about 552.5493004880.

The spelling of 168699230 in words is "one hundred sixty-eight million, six hundred ninety-nine thousand, two hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 1033 2066 2333 4666 5165 7231 10330 11665 14462 16331 23330 32662 36155 72310 81655 163310 2409989 4819978 12049945 16869923 24099890 33739846 84349615 168699230