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1307398238 = 26183129113
BaseRepresentation
bin100110111101101…
…0101000001011110
310101010002201012222
41031323111001132
510134143220423
6333422025342
744253462446
oct11573250136
93333081188
101307398238
11610aa0713
12305a18252
1317ab28533
14c58c9126
1579ba23c8
hex4ded505e

1307398238 has 16 divisors (see below), whose sum is σ = 2017277136. Its totient is φ = 635231040.

The previous prime is 1307398229. The next prime is 1307398259. The reversal of 1307398238 is 8328937031.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54431 + ... + 74682.

It is an arithmetic number, because the mean of its divisors is an integer number (126079821).

Almost surely, 21307398238 is an apocalyptic number.

1307398238 is a deficient number, since it is larger than the sum of its proper divisors (709878898).

1307398238 is a wasteful number, since it uses less digits than its factorization.

1307398238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129259.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 1307398238 is about 36157.9623043113. The cubic root of 1307398238 is about 1093.4593229497.

The spelling of 1307398238 in words is "one billion, three hundred seven million, three hundred ninety-eight thousand, two hundred thirty-eight".

Divisors: 1 2 61 83 122 166 5063 10126 129113 258226 7875893 10716379 15751786 21432758 653699119 1307398238