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136982430 = 232513177197
BaseRepresentation
bin10000010101000…
…10111110011110
3100112202102120100
420022202332132
5240031414210
621332001530
73252221454
oct1012427636
9315672510
10136982430
1170360a22
1239a602a6
13224c19c0
141429a9d4
15c05c5c0
hex82a2f9e

136982430 has 192 divisors, whose sum is σ = 416078208. Its totient is φ = 30965760.

The previous prime is 136982401. The next prime is 136982431. The reversal of 136982430 is 34289631.

136982430 is a `hidden beast` number, since 136 + 98 + 2 + 430 = 666.

136982430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1369824302 = 37528372257409800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136982431) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1412142 + ... + 1412238.

It is an arithmetic number, because the mean of its divisors is an integer number (2167074).

Almost surely, 2136982430 is an apocalyptic number.

136982430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 136982430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208039104).

136982430 is an abundant number, since it is smaller than the sum of its proper divisors (279095778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136982430 is a wasteful number, since it uses less digits than its factorization.

136982430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211 (or 208 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 136982430 is about 11703.9493334515. The cubic root of 136982430 is about 515.4916347094.

The spelling of 136982430 in words is "one hundred thirty-six million, nine hundred eighty-two thousand, four hundred thirty".