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134418623 = 417397463
BaseRepresentation
bin10000000001100…
…01000010111111
3100100221011200112
420000301002333
5233402343443
621201020235
73221353013
oct1000610277
9310834615
10134418623
116996a779
123902467b
1321b04a61
1413bd0543
15bc02b18
hex80310bf

134418623 has 16 divisors (see below), whose sum is σ = 141326976. Its totient is φ = 127733760.

The previous prime is 134418617. The next prime is 134418631. The reversal of 134418623 is 326814431.

It is a cyclic number.

It is not a de Polignac number, because 134418623 - 24 = 134418607 is a prime.

It is a super-2 number, since 2×1344186232 = 36136732418432258, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 134418623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134418223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 290090 + ... + 290552.

It is an arithmetic number, because the mean of its divisors is an integer number (8832936).

Almost surely, 2134418623 is an apocalyptic number.

134418623 is a deficient number, since it is larger than the sum of its proper divisors (6908353).

134418623 is an equidigital number, since it uses as much as digits as its factorization.

134418623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674.

The product of its digits is 13824, while the sum is 32.

The square root of 134418623 is about 11593.9045623120. The cubic root of 134418623 is about 512.2553238565.

The spelling of 134418623 in words is "one hundred thirty-four million, four hundred eighteen thousand, six hundred twenty-three".

Divisors: 1 41 73 97 463 2993 3977 7081 18983 33799 44911 290321 1385759 1841351 3278503 134418623