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163042992 = 2432733301
BaseRepresentation
bin10011011011111…
…01011010110000
3102100210102221100
421231331122300
5313214333432
624102324400
74016562000
oct1155753260
9370712840
10163042992
1184040682
1246729700
1327a17858
1417922000
15e4a907c
hex9b7d6b0

163042992 has 120 divisors (see below), whose sum is σ = 532282400. Its totient is φ = 46569600.

The previous prime is 163042973. The next prime is 163043003. The reversal of 163042992 is 299240361.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 47742 + ... + 51042.

Almost surely, 2163042992 is an apocalyptic number.

163042992 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 163042992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (266141200).

163042992 is an abundant number, since it is smaller than the sum of its proper divisors (369239408).

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

163042992 is a wasteful number, since it uses less digits than its factorization.

163042992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3336 (or 3313 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 163042992 is about 12768.8289204610. The cubic root of 163042992 is about 546.3035787120.

The spelling of 163042992 in words is "one hundred sixty-three million, forty-two thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 36 42 48 49 56 63 72 84 98 112 126 144 147 168 196 252 294 336 343 392 441 504 588 686 784 882 1008 1029 1176 1372 1764 2058 2352 2744 3087 3301 3528 4116 5488 6174 6602 7056 8232 9903 12348 13204 16464 19806 23107 24696 26408 29709 39612 46214 49392 52816 59418 69321 79224 92428 118836 138642 158448 161749 184856 207963 237672 277284 323498 369712 415926 475344 485247 554568 646996 831852 970494 1109136 1132243 1293992 1455741 1663704 1940988 2264486 2587984 2911482 3327408 3396729 3881976 4528972 5822964 6793458 7763952 9057944 10190187 11645928 13586916 18115888 20380374 23291856 27173832 40760748 54347664 81521496 163042992