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163996932 = 2231110112301
BaseRepresentation
bin10011100011001…
…10010100000100
3102102120220111110
421301212110010
5313440400212
624135005020
74030644111
oct1161462404
9372526443
10163996932
1184632360
1246b09770
1327c8cb08
1417acd908
15e5e6a3c
hex9c66504

163996932 has 48 divisors (see below), whose sum is σ = 421614144. Its totient is φ = 49200000.

The previous prime is 163996919. The next prime is 163996933. The reversal of 163996932 is 239699361.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (163996933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7182 + ... + 19482.

It is an arithmetic number, because the mean of its divisors is an integer number (8783628).

Almost surely, 2163996932 is an apocalyptic number.

163996932 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 163996932, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210807072).

163996932 is an abundant number, since it is smaller than the sum of its proper divisors (257617212).

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

163996932 is a wasteful number, since it uses less digits than its factorization.

163996932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12420 (or 12418 counting only the distinct ones).

The product of its digits is 472392, while the sum is 48.

The square root of 163996932 is about 12806.1286890301. The cubic root of 163996932 is about 547.3669541816.

The spelling of 163996932 in words is "one hundred sixty-three million, nine hundred ninety-six thousand, nine hundred thirty-two".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 101 132 202 303 404 606 1111 1212 2222 3333 4444 6666 12301 13332 24602 36903 49204 73806 135311 147612 270622 405933 541244 811866 1242401 1623732 2484802 3727203 4969604 7454406 13666411 14908812 27332822 40999233 54665644 81998466 163996932