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136552357 = 232293881
BaseRepresentation
bin10000010001110…
…01111110100101
3100111221120121201
420020321332211
5234424133412
621314442501
73245450554
oct1010717645
9314846551
10136552357
1170097897
1239893431
13223a1016
14141c7d9b
15bec4e57
hex8239fa5

136552357 has 12 divisors (see below), whose sum is σ = 143397324. Its totient is φ = 130021760.

The previous prime is 136552333. The next prime is 136552363. The reversal of 136552357 is 753255631.

136552357 is digitally balanced in base 2, 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 2 ways, for example, as 81703521 + 54848836 = 9039^2 + 7406^2 .

It is not a de Polignac number, because 136552357 - 219 = 136028069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136552307) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 154557 + ... + 155437.

It is an arithmetic number, because the mean of its divisors is an integer number (11949777).

Almost surely, 2136552357 is an apocalyptic number.

It is an amenable number.

136552357 is a deficient number, since it is larger than the sum of its proper divisors (6844967).

136552357 is an equidigital number, since it uses as much as digits as its factorization.

136552357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1220 (or 1197 counting only the distinct ones).

The product of its digits is 94500, while the sum is 37.

The square root of 136552357 is about 11685.5619034773. The cubic root of 136552357 is about 514.9515862366.

The spelling of 136552357 in words is "one hundred thirty-six million, five hundred fifty-two thousand, three hundred fifty-seven".

Divisors: 1 23 293 529 881 6739 20263 154997 258133 466049 5937059 136552357