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168704371 = 1121394251
BaseRepresentation
bin10100000111000…
…11100101110011
3102202110001220001
422003203211303
5321142014441
624423530431
74115651323
oct1203434563
9382401801
10168704371
1187258100
12485b9a17
1328c4a694
1418597283
15ec26731
hexa0e3973

168704371 has 6 divisors (see below), whose sum is σ = 185435516. Its totient is φ = 153367500.

The previous prime is 168704359. The next prime is 168704399. The reversal of 168704371 is 173407861.

168704371 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 168704371 - 213 = 168696179 is a prime.

It is a super-2 number, since 2×1687043712 = 56922329589011282, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 168704371.

It is not an unprimeable number, because it can be changed into a prime (168704321) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 697005 + ... + 697246.

Almost surely, 2168704371 is an apocalyptic number.

168704371 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

168704371 is a deficient number, since it is larger than the sum of its proper divisors (16731145).

168704371 is a wasteful number, since it uses less digits than its factorization.

168704371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1394273 (or 1394262 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 168704371 is about 12988.6246770010. The cubic root of 168704371 is about 552.5549132919.

The spelling of 168704371 in words is "one hundred sixty-eight million, seven hundred four thousand, three hundred seventy-one".

Divisors: 1 11 121 1394251 15336761 168704371