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168375330 = 232512714731
BaseRepresentation
bin10100000100100…
…11010000100010
3102201211100112100
422002103100202
5321101002310
624412511230
74113111114
oct1202232042
9381740470
10168375330
1187052972
124847b516
1328b63996
141850d3b4
15ebadec0
hexa093422

168375330 has 48 divisors (see below), whose sum is σ = 441252864. Its totient is φ = 44543520.

The previous prime is 168375289. The next prime is 168375331. The reversal of 168375330 is 33573861.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (168375331) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4065 + ... + 18795.

It is an arithmetic number, because the mean of its divisors is an integer number (9192768).

Almost surely, 2168375330 is an apocalyptic number.

168375330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 168375330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220626432).

168375330 is an abundant number, since it is smaller than the sum of its proper divisors (272877534).

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

168375330 is a wasteful number, since it uses less digits than its factorization.

168375330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14871 (or 14868 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 168375330 is about 12975.9519881972. The cubic root of 168375330 is about 552.1954451263.

The spelling of 168375330 in words is "one hundred sixty-eight million, three hundred seventy-five thousand, three hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 127 254 381 635 762 1143 1270 1905 2286 3810 5715 11430 14731 29462 44193 73655 88386 132579 147310 220965 265158 441930 662895 1325790 1870837 3741674 5612511 9354185 11225022 16837533 18708370 28062555 33675066 56125110 84187665 168375330