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136305430 = 2519717397
BaseRepresentation
bin10000001111111…
…01101100010110
3100111111000220021
420013331230112
5234343233210
621305255354
73243401632
oct1007755426
9314430807
10136305430
116aa39318
123979455a
1322315801
1414161dc2
15be76bda
hex81fdb16

136305430 has 16 divisors (see below), whose sum is σ = 258263280. Its totient is φ = 51652512.

The previous prime is 136305413. The next prime is 136305437. The reversal of 136305430 is 34503631.

It is a junction number, because it is equal to n+sod(n) for n = 136305395 and 136305404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136305437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 358509 + ... + 358888.

It is an arithmetic number, because the mean of its divisors is an integer number (16141455).

Almost surely, 2136305430 is an apocalyptic number.

136305430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

136305430 is a deficient number, since it is larger than the sum of its proper divisors (121957850).

136305430 is a wasteful number, since it uses less digits than its factorization.

136305430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717423.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 136305430 is about 11674.9916488193. The cubic root of 136305430 is about 514.6410040904.

The spelling of 136305430 in words is "one hundred thirty-six million, three hundred five thousand, four hundred thirty".

Divisors: 1 2 5 10 19 38 95 190 717397 1434794 3586985 7173970 13630543 27261086 68152715 136305430