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24306139 = 1113315483
BaseRepresentation
bin101110010111…
…0000111011011
31200201212202101
41130232013123
522210244024
62224544231
7413412244
oct134560733
950655671
1024306139
11127a1620
128182077
135060440
143329ccb
152201c44
hex172e1db

24306139 has 16 divisors (see below), whose sum is σ = 29481984. Its totient is φ = 19735200.

The previous prime is 24306127. The next prime is 24306157. The reversal of 24306139 is 93160342.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-24306139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (24306119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1692 + ... + 7174.

It is an arithmetic number, because the mean of its divisors is an integer number (1842624).

Almost surely, 224306139 is an apocalyptic number.

24306139 is a deficient number, since it is larger than the sum of its proper divisors (5175845).

24306139 is a wasteful number, since it uses less digits than its factorization.

24306139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5538.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 24306139 is about 4930.1256576278. The cubic root of 24306139 is about 289.6712048478.

The spelling of 24306139 in words is "twenty-four million, three hundred six thousand, one hundred thirty-nine".

Divisors: 1 11 13 31 143 341 403 4433 5483 60313 71279 169973 784069 1869703 2209649 24306139