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234248292 = 22326506897
BaseRepresentation
bin11011111011001…
…01100001100100
3121022210001020200
431331211201210
5434431421132
635124430500
75543035425
oct1575454144
9538701220
10234248292
11110255233
1266548430
13396b8b75
142317964c
1515871d7c
hexdf65864

234248292 has 18 divisors (see below), whose sum is σ = 592127718. Its totient is φ = 78082752.

The previous prime is 234248269. The next prime is 234248299. The reversal of 234248292 is 292842432.

It can be written as a sum of positive squares in only one way, i.e., 156350016 + 77898276 = 12504^2 + 8826^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 6506897 = 234248292 / (2 + 3 + 4 + 2 + 4 + 8 + 2 + 9 + 2).

It is not an unprimeable number, because it can be changed into a prime (234248299) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3253413 + ... + 3253484.

Almost surely, 2234248292 is an apocalyptic number.

It is an amenable number.

234248292 is an abundant number, since it is smaller than the sum of its proper divisors (357879426).

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

234248292 is a wasteful number, since it uses less digits than its factorization.

234248292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6506907 (or 6506902 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 234248292 is about 15305.1720669844. The cubic root of 234248292 is about 616.4418914256.

The spelling of 234248292 in words is "two hundred thirty-four million, two hundred forty-eight thousand, two hundred ninety-two".

Divisors: 1 2 3 4 6 9 12 18 36 6506897 13013794 19520691 26027588 39041382 58562073 78082764 117124146 234248292