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234255531 = 3156749831
BaseRepresentation
bin11011111011001…
…11010010101011
3121022210102011210
431331213102223
5434432134111
635124524203
75543065506
oct1575472253
9538712153
10234255531
1111025a714
1266550663
13396bc253
142317c13d
15158740a6
hexdf674ab

234255531 has 8 divisors (see below), whose sum is σ = 312546304. Its totient is φ = 156067560.

The previous prime is 234255493. The next prime is 234255557. The reversal of 234255531 is 135552432.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 234255531 - 213 = 234247339 is a prime.

It is a super-2 number, since 2×2342555312 = 109751307608183922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (234295531) 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, 20215 + ... + 29616.

It is an arithmetic number, because the mean of its divisors is an integer number (39068288).

Almost surely, 2234255531 is an apocalyptic number.

234255531 is a deficient number, since it is larger than the sum of its proper divisors (78290773).

234255531 is a wasteful number, since it uses less digits than its factorization.

234255531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51401.

The product of its digits is 18000, while the sum is 30.

The square root of 234255531 is about 15305.4085538414. The cubic root of 234255531 is about 616.4482413501.

The spelling of 234255531 in words is "two hundred thirty-four million, two hundred fifty-five thousand, five hundred thirty-one".

Divisors: 1 3 1567 4701 49831 149493 78085177 234255531