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163505230 = 2572335789
BaseRepresentation
bin10011011111011…
…10010001001110
3102101122221000021
421233232101032
5313324131410
624120252354
74023525430
oct1157562116
9371587007
10163505230
1184326999
12469110ba
1327b4a075
1417a02650
15e54aeda
hex9bee44e

163505230 has 16 divisors (see below), whose sum is σ = 336353760. Its totient is φ = 56058912.

The previous prime is 163505207. The next prime is 163505239. The reversal of 163505230 is 32505361.

It is a happy number.

163505230 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 163505195 and 163505204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163505239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1167825 + ... + 1167964.

It is an arithmetic number, because the mean of its divisors is an integer number (21022110).

Almost surely, 2163505230 is an apocalyptic number.

163505230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

163505230 is an abundant number, since it is smaller than the sum of its proper divisors (172848530).

163505230 is a wasteful number, since it uses less digits than its factorization.

163505230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2335803.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 163505230 is about 12786.9163600925. The cubic root of 163505230 is about 546.8193608918.

The spelling of 163505230 in words is "one hundred sixty-three million, five hundred five thousand, two hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 2335789 4671578 11678945 16350523 23357890 32701046 81752615 163505230