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163952144 = 2410247009
BaseRepresentation
bin10011100010110…
…11011000010000
3102102111122001122
421301123120100
5313432432034
624134021412
74030366406
oct1161333020
9372448048
10163952144
1184601744
1246aa7868
1327c75605
1417abb476
15e5d862e
hex9c5b610

163952144 has 10 divisors (see below), whose sum is σ = 317657310. Its totient is φ = 81976064.

The previous prime is 163952137. The next prime is 163952179. The reversal of 163952144 is 441259361.

It can be written as a sum of positive squares in only one way, i.e., 82591744 + 81360400 = 9088^2 + 9020^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5123489 + ... + 5123520.

It is an arithmetic number, because the mean of its divisors is an integer number (31765731).

Almost surely, 2163952144 is an apocalyptic number.

It is an amenable number.

163952144 is a deficient number, since it is larger than the sum of its proper divisors (153705166).

163952144 is a wasteful number, since it uses less digits than its factorization.

163952144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10247017 (or 10247011 counting only the distinct ones).

The product of its digits is 25920, while the sum is 35.

The square root of 163952144 is about 12804.3798756519. The cubic root of 163952144 is about 547.3171205192.

It can be divided in two parts, 16 and 3952144, that multiplied together give a square (63234304 = 79522).

The spelling of 163952144 in words is "one hundred sixty-three million, nine hundred fifty-two thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 10247009 20494018 40988036 81976072 163952144