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234561090 = 23557113693
BaseRepresentation
bin11011111101100…
…01111001000010
3121100100221022210
431332301321002
5440021423330
635135242550
75545510401
oct1576617102
9540327283
10234561090
11110449245
1266679456
133979835a
142321b638
15158d48b0
hexdfb1e42

234561090 has 32 divisors (see below), whose sum is σ = 563973696. Its totient is φ = 62435520.

The previous prime is 234561083. The next prime is 234561109. The reversal of 234561090 is 90165432.

234561090 is digitally balanced in base 3, 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).

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10284 + ... + 23976.

It is an arithmetic number, because the mean of its divisors is an integer number (17624178).

Almost surely, 2234561090 is an apocalyptic number.

234561090 is an abundant number, since it is smaller than the sum of its proper divisors (329412606).

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

234561090 is a wasteful number, since it uses less digits than its factorization.

234561090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14274.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 234561090 is about 15315.3873604294. The cubic root of 234561090 is about 616.7161531588.

The spelling of 234561090 in words is "two hundred thirty-four million, five hundred sixty-one thousand, ninety".

Divisors: 1 2 3 5 6 10 15 30 571 1142 1713 2855 3426 5710 8565 13693 17130 27386 41079 68465 82158 136930 205395 410790 7818703 15637406 23456109 39093515 46912218 78187030 117280545 234561090