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163147040 = 2557295023
BaseRepresentation
bin10011011100101…
…10110100100000
3102100222201122222
421232112310200
5313231201130
624104450212
74020504230
oct1156266440
9370881588
10163147040
1184101871
1246779968
1327a53014
141794bcc0
15e4c9ce5
hex9b96d20

163147040 has 96 divisors (see below), whose sum is σ = 455777280. Its totient is φ = 53996544.

The previous prime is 163147037. The next prime is 163147063. The reversal of 163147040 is 40741361.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29969 + ... + 34991.

It is an arithmetic number, because the mean of its divisors is an integer number (4747680).

Almost surely, 2163147040 is an apocalyptic number.

163147040 is a gapful number since it is divisible by the number (10) 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 163147040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (227888640).

163147040 is an abundant number, since it is smaller than the sum of its proper divisors (292630240).

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

163147040 is a wasteful number, since it uses less digits than its factorization.

163147040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5074 (or 5066 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 163147040 is about 12772.9025675451. The cubic root of 163147040 is about 546.4197642385.

The spelling of 163147040 in words is "one hundred sixty-three million, one hundred forty-seven thousand, forty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 29 32 35 40 56 58 70 80 112 116 140 145 160 203 224 232 280 290 406 464 560 580 812 928 1015 1120 1160 1624 2030 2320 3248 4060 4640 5023 6496 8120 10046 16240 20092 25115 32480 35161 40184 50230 70322 80368 100460 140644 145667 160736 175805 200920 281288 291334 351610 401840 562576 582668 703220 728335 803680 1019669 1125152 1165336 1406440 1456670 2039338 2330672 2812880 2913340 4078676 4661344 5098345 5625760 5826680 8157352 10196690 11653360 16314704 20393380 23306720 32629408 40786760 81573520 163147040