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163200020 = 22517594639
BaseRepresentation
bin10011011101000…
…11110000010100
3102101002102100012
421232203300110
5313234400040
624105535352
74021114544
oct1156436024
9371072305
10163200020
1184138655
12467a4558
1327a71179
1417963324
15e4da865
hex9ba3c14

163200020 has 24 divisors (see below), whose sum is σ = 342988800. Its totient is φ = 65228832.

The previous prime is 163200013. The next prime is 163200029. The reversal of 163200020 is 20002361.

It is a junction number, because it is equal to n+sod(n) for n = 163199968 and 163200004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163200029) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 32861 + ... + 37499.

It is an arithmetic number, because the mean of its divisors is an integer number (14291200).

Almost surely, 2163200020 is an apocalyptic number.

163200020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163200020 is an abundant number, since it is smaller than the sum of its proper divisors (179788780).

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

163200020 is a wasteful number, since it uses less digits than its factorization.

163200020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6407 (or 6405 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 163200020 is about 12774.9763209174. The cubic root of 163200020 is about 546.4789055424.

Adding to 163200020 its reverse (20002361), we get a palindrome (183202381).

The spelling of 163200020 in words is "one hundred sixty-three million, two hundred thousand, twenty".

Divisors: 1 2 4 5 10 20 1759 3518 4639 7036 8795 9278 17590 18556 23195 35180 46390 92780 8160001 16320002 32640004 40800005 81600010 163200020