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136287044 = 2234071761
BaseRepresentation
bin10000001111110…
…01001101000100
3100111110002200022
420013321031010
5234342141134
621305034312
73243264215
oct1007711504
9314402608
10136287044
116aa26523
1239785998
132230a32a
141415940c
15be7152e
hex81f9344

136287044 has 6 divisors (see below), whose sum is σ = 238502334. Its totient is φ = 68143520.

The previous prime is 136287023. The next prime is 136287049. The reversal of 136287044 is 440782631.

It can be written as a sum of positive squares in only one way, i.e., 76038400 + 60248644 = 8720^2 + 7762^2 .

It is a junction number, because it is equal to n+sod(n) for n = 136286995 and 136287013.

It is not an unprimeable number, because it can be changed into a prime (136287049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17035877 + ... + 17035884.

It is an arithmetic number, because the mean of its divisors is an integer number (39750389).

Almost surely, 2136287044 is an apocalyptic number.

It is an amenable number.

136287044 is a deficient number, since it is larger than the sum of its proper divisors (102215290).

136287044 is a wasteful number, since it uses less digits than its factorization.

136287044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34071765 (or 34071763 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 136287044 is about 11674.2042127076. The cubic root of 136287044 is about 514.6178633763.

The spelling of 136287044 in words is "one hundred thirty-six million, two hundred eighty-seven thousand, forty-four".

Divisors: 1 2 4 34071761 68143522 136287044