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136244407 = 13292831277
BaseRepresentation
bin10000001111011…
…10110010110111
3100111100221012011
420013232302313
5234334310112
621304105051
73243026005
oct1007566267
9314327164
10136244407
116a9a7492
1239765187
13222c3ac0
1414147a75
15be63aa7
hex81eecb7

136244407 has 16 divisors (see below), whose sum is σ = 152439840. Its totient is φ = 120903552.

The previous prime is 136244377. The next prime is 136244419. The reversal of 136244407 is 704442631.

It is not a de Polignac number, because 136244407 - 27 = 136244279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136244447) 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, 106053 + ... + 107329.

It is an arithmetic number, because the mean of its divisors is an integer number (9527490).

Almost surely, 2136244407 is an apocalyptic number.

136244407 is a deficient number, since it is larger than the sum of its proper divisors (16195433).

136244407 is a wasteful number, since it uses less digits than its factorization.

136244407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1602.

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 136244407 is about 11672.3779496725. The cubic root of 136244407 is about 514.5641922184.

The spelling of 136244407 in words is "one hundred thirty-six million, two hundred forty-four thousand, four hundred seven".

Divisors: 1 13 29 283 377 1277 3679 8207 16601 37033 106691 361391 481429 4698083 10480339 136244407