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234734540 = 22511736727
BaseRepresentation
bin11011111110111…
…00001111001100
3121100200202020212
431333130033030
5440043001130
635143101552
75550132155
oct1577341714
9540622225
10234734540
11110557597
12667418b8
13398292a1
142326492c
151591ae95
hexdfdc3cc

234734540 has 12 divisors (see below), whose sum is σ = 492942576. Its totient is φ = 93893808.

The previous prime is 234734519. The next prime is 234734543. The reversal of 234734540 is 45437432.

It is a junction number, because it is equal to n+sod(n) for n = 234734497 and 234734506.

It is not an unprimeable number, because it can be changed into a prime (234734543) 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, 5868344 + ... + 5868383.

It is an arithmetic number, because the mean of its divisors is an integer number (41078548).

Almost surely, 2234734540 is an apocalyptic number.

234734540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234734540 is an abundant number, since it is smaller than the sum of its proper divisors (258208036).

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

234734540 is a wasteful number, since it uses less digits than its factorization.

234734540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11736736 (or 11736734 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 32.

The square root of 234734540 is about 15321.0489197052. The cubic root of 234734540 is about 616.8681292898.

The spelling of 234734540 in words is "two hundred thirty-four million, seven hundred thirty-four thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 11736727 23473454 46946908 58683635 117367270 234734540