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168704075 = 526748163
BaseRepresentation
bin10100000111000…
…11100001001011
3102202110001111002
422003203201023
5321142012300
624423525215
74115650421
oct1203434113
9382401432
10168704075
1187257961
12485b980b
1328c4a4c7
1418597111
15ec265d5
hexa0e384b

168704075 has 6 divisors (see below), whose sum is σ = 209193084. Its totient is φ = 134963240.

The previous prime is 168704047. The next prime is 168704087. The reversal of 168704075 is 570407861.

It is not a de Polignac number, because 168704075 - 28 = 168703819 is a prime.

It is a super-2 number, since 2×1687040752 = 56922129843211250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3374057 + ... + 3374106.

It is an arithmetic number, because the mean of its divisors is an integer number (34865514).

Almost surely, 2168704075 is an apocalyptic number.

168704075 is a deficient number, since it is larger than the sum of its proper divisors (40489009).

168704075 is an equidigital number, since it uses as much as digits as its factorization.

168704075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6748173 (or 6748168 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 168704075 is about 12988.6132824101. The cubic root of 168704075 is about 552.5545901303.

The spelling of 168704075 in words is "one hundred sixty-eight million, seven hundred four thousand, seventy-five".

Divisors: 1 5 25 6748163 33740815 168704075