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234149131 = 2310180397
BaseRepresentation
bin11011111010011…
…01010100001011
3121022121000020001
431331031110023
5434420233011
635122343431
75542143346
oct1575152413
9538530201
10234149131
11110197787
12664bab77
13396829a8
142315145d
15158527c1
hexdf4d50b

234149131 has 4 divisors (see below), whose sum is σ = 244329552. Its totient is φ = 223968712.

The previous prime is 234149129. The next prime is 234149183. The reversal of 234149131 is 131941432.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 234149131 - 21 = 234149129 is a prime.

It is a super-2 number, since 2×2341491312 = 109651631096110322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 234149131.

It is not an unprimeable number, because it can be changed into a prime (234140131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5090176 + ... + 5090221.

It is an arithmetic number, because the mean of its divisors is an integer number (61082388).

Almost surely, 2234149131 is an apocalyptic number.

234149131 is a deficient number, since it is larger than the sum of its proper divisors (10180421).

234149131 is a wasteful number, since it uses less digits than its factorization.

234149131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10180420.

The product of its digits is 2592, while the sum is 28.

The square root of 234149131 is about 15301.9322636064. The cubic root of 234149131 is about 616.3548959542.

The spelling of 234149131 in words is "two hundred thirty-four million, one hundred forty-nine thousand, one hundred thirty-one".

Divisors: 1 23 10180397 234149131