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168988296 = 233172391733
BaseRepresentation
bin10100001001010…
…00111010001000
3102202222111100210
422010220322020
5321230111141
624434001120
74121243151
oct1204507210
9382874323
10168988296
1187431454
12487161a0
1329019999
141862c928
15ec80916
hexa128e88

168988296 has 64 divisors (see below), whose sum is σ = 449452800. Its totient is φ = 52763648.

The previous prime is 168988247. The next prime is 168988301. The reversal of 168988296 is 692889861.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96646 + ... + 98378.

It is an arithmetic number, because the mean of its divisors is an integer number (7022700).

Almost surely, 2168988296 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 168988296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224726400).

168988296 is an abundant number, since it is smaller than the sum of its proper divisors (280464504).

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

168988296 is a wasteful number, since it uses less digits than its factorization.

168988296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1998 (or 1994 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 57.

The square root of 168988296 is about 12999.5498383598. The cubic root of 168988296 is about 552.8647180002.

The spelling of 168988296 in words is "one hundred sixty-eight million, nine hundred eighty-eight thousand, two hundred ninety-six".

Divisors: 1 2 3 4 6 8 12 17 24 34 51 68 102 136 204 239 408 478 717 956 1434 1733 1912 2868 3466 4063 5199 5736 6932 8126 10398 12189 13864 16252 20796 24378 29461 32504 41592 48756 58922 88383 97512 117844 176766 235688 353532 414187 707064 828374 1242561 1656748 2485122 3313496 4970244 7041179 9940488 14082358 21123537 28164716 42247074 56329432 84494148 168988296