Search a number
-
+
163864110 = 2355462137
BaseRepresentation
bin10011100010001…
…01111000101110
3102102100011022010
421301011320232
5313422122420
624132102050
74026551634
oct1161057056
9372304263
10163864110
1184551593
1246a64926
1327c44517
1417a97354
15e5bc4e0
hex9c45e2e

163864110 has 16 divisors (see below), whose sum is σ = 393273936. Its totient is φ = 43697088.

The previous prime is 163864097. The next prime is 163864147. The reversal of 163864110 is 11468361.

163864110 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 5462137 = 163864110 / (1 + 6 + 3 + 8 + 6 + 4 + 1 + 1 + 0).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2731039 + ... + 2731098.

It is an arithmetic number, because the mean of its divisors is an integer number (24579621).

Almost surely, 2163864110 is an apocalyptic number.

163864110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

163864110 is an abundant number, since it is smaller than the sum of its proper divisors (229409826).

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

163864110 is a wasteful number, since it uses less digits than its factorization.

163864110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5462147.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 163864110 is about 12800.9417622298. The cubic root of 163864110 is about 547.2191424534.

The spelling of 163864110 in words is "one hundred sixty-three million, eight hundred sixty-four thousand, one hundred ten".

Divisors: 1 2 3 5 6 10 15 30 5462137 10924274 16386411 27310685 32772822 54621370 81932055 163864110