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136028826 = 2327557157
BaseRepresentation
bin10000001101110…
…10001010011010
3100110221222110200
420012322022122
5234310410301
621255323030
73241140333
oct1006721232
9313858420
10136028826
116a86a51a
1239680476
132224993b
14140cd28a
15be1ec86
hex81ba29a

136028826 has 12 divisors (see below), whose sum is σ = 294729162. Its totient is φ = 45342936.

The previous prime is 136028813. The next prime is 136028833. The reversal of 136028826 is 628820631.

136028826 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 74390625 + 61638201 = 8625^2 + 7851^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3778561 + ... + 3778596.

Almost surely, 2136028826 is an apocalyptic number.

136028826 is an abundant number, since it is smaller than the sum of its proper divisors (158700336).

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

136028826 is a wasteful number, since it uses less digits than its factorization.

136028826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7557165 (or 7557162 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 136028826 is about 11663.1396287621. The cubic root of 136028826 is about 514.2926487822.

The spelling of 136028826 in words is "one hundred thirty-six million, twenty-eight thousand, eight hundred twenty-six".

Divisors: 1 2 3 6 9 18 7557157 15114314 22671471 45342942 68014413 136028826