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163480220 = 2258174011
BaseRepresentation
bin10011011111010…
…00001010011100
3102101121122200222
421233220022130
5313322331340
624115540512
74023362501
oct1157501234
9371548628
10163480220
118430a122
12468ba738
1327b3b877
14179d74a8
15e5438b5
hex9be829c

163480220 has 12 divisors (see below), whose sum is σ = 343308504. Its totient is φ = 65392080.

The previous prime is 163480217. The next prime is 163480259. The reversal of 163480220 is 22084361.

163480220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 163480220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4086986 + ... + 4087025.

It is an arithmetic number, because the mean of its divisors is an integer number (28609042).

Almost surely, 2163480220 is an apocalyptic number.

163480220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163480220 is an abundant number, since it is smaller than the sum of its proper divisors (179828284).

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

163480220 is a wasteful number, since it uses less digits than its factorization.

163480220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8174020 (or 8174018 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 163480220 is about 12785.9383699438. The cubic root of 163480220 is about 546.7914787061.

The spelling of 163480220 in words is "one hundred sixty-three million, four hundred eighty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 8174011 16348022 32696044 40870055 81740110 163480220