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136810454 = 2116218657
BaseRepresentation
bin10000010011110…
…00111111010110
3100112102200122212
420021320333112
5240010413304
621324153422
73250604204
oct1011707726
9315380585
10136810454
11702537a0
1239998872
1322461641
1414254074
15c02666e
hex8278fd6

136810454 has 8 divisors (see below), whose sum is σ = 223871688. Its totient is φ = 62186560.

The previous prime is 136810451. The next prime is 136810493. The reversal of 136810454 is 454018631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1368104542 = 37434200647372232, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 136810454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136810451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3109307 + ... + 3109350.

It is an arithmetic number, because the mean of its divisors is an integer number (27983961).

Almost surely, 2136810454 is an apocalyptic number.

136810454 is a deficient number, since it is larger than the sum of its proper divisors (87061234).

136810454 is a wasteful number, since it uses less digits than its factorization.

136810454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6218670.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 136810454 is about 11696.6001043038. The cubic root of 136810454 is about 515.2758179436.

The spelling of 136810454 in words is "one hundred thirty-six million, eight hundred ten thousand, four hundred fifty-four".

Divisors: 1 2 11 22 6218657 12437314 68405227 136810454