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168490950 = 23522634271
BaseRepresentation
bin10100000101011…
…11011111000110
3102202001020010120
422002233133012
5321113202300
624415202410
74114102155
oct1202573706
9382036116
10168490950
1187121821
1248516406
1328ba44b4
141853d59c
15ebd33a0
hexa0af7c6

168490950 has 48 divisors (see below), whose sum is σ = 419544576. Its totient is φ = 44749600.

The previous prime is 168490943. The next prime is 168490979. The reversal of 168490950 is 59094861.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37315 + ... + 41585.

It is an arithmetic number, because the mean of its divisors is an integer number (8740512).

Almost surely, 2168490950 is an apocalyptic number.

168490950 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 168490950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209772288).

168490950 is an abundant number, since it is smaller than the sum of its proper divisors (251053626).

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

168490950 is a wasteful number, since it uses less digits than its factorization.

168490950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4549 (or 4544 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 168490950 is about 12980.4063880912. The cubic root of 168490950 is about 552.3218100938.

The spelling of 168490950 in words is "one hundred sixty-eight million, four hundred ninety thousand, nine hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 150 263 526 789 1315 1578 2630 3945 4271 6575 7890 8542 12813 13150 19725 21355 25626 39450 42710 64065 106775 128130 213550 320325 640650 1123273 2246546 3369819 5616365 6739638 11232730 16849095 28081825 33698190 56163650 84245475 168490950