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2343257137 = 13192499309
BaseRepresentation
bin1000101110101011…
…0100010000110001
320001022020210111101
42023222310100301
514244333212022
61024304044401
7112032233314
oct21352642061
96038223441
102343257137
11aa2786851
12554903701
132b460c3b0
141832cc97b
15daab8627
hex8bab4431

2343257137 has 12 divisors (see below), whose sum is σ = 2663319540. Its totient is φ = 2049160032.

The previous prime is 2343257083. The next prime is 2343257141. The reversal of 2343257137 is 7317523432.

It can be written as a sum of positive squares in 2 ways, for example, as 726895521 + 1616361616 = 26961^2 + 40204^2 .

It is a de Polignac number, because none of the positive numbers 2k-2343257137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2343257096 and 2343257105.

It is not an unprimeable number, because it can be changed into a prime (2343251137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 244962 + ... + 254347.

It is an arithmetic number, because the mean of its divisors is an integer number (221943295).

Almost surely, 22343257137 is an apocalyptic number.

It is an amenable number.

2343257137 is a deficient number, since it is larger than the sum of its proper divisors (320062403).

2343257137 is a wasteful number, since it uses less digits than its factorization.

2343257137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499360 (or 499341 counting only the distinct ones).

The product of its digits is 105840, while the sum is 37.

The square root of 2343257137 is about 48407.2012927829. The cubic root of 2343257137 is about 1328.2300947125.

The spelling of 2343257137 in words is "two billion, three hundred forty-three million, two hundred fifty-seven thousand, one hundred thirty-seven".

Divisors: 1 13 19 247 361 4693 499309 6491017 9486871 123329323 180250549 2343257137