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136023242 = 219231031511
BaseRepresentation
bin10000001101110…
…00110011001010
3100110221200210212
420012320303022
5234310220432
621255241122
73241115135
oct1006706312
9313850725
10136023242
116a866303
12396791a2
1322247234
14140cb21c
15be1d2b2
hex81b8cca

136023242 has 32 divisors (see below), whose sum is σ = 226437120. Its totient is φ = 60991920.

The previous prime is 136023191. The next prime is 136023247. The reversal of 136023242 is 242320631.

136023242 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (136023247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89267 + ... + 90777.

It is an arithmetic number, because the mean of its divisors is an integer number (7076160).

Almost surely, 2136023242 is an apocalyptic number.

136023242 is a deficient number, since it is larger than the sum of its proper divisors (90413878).

136023242 is a wasteful number, since it uses less digits than its factorization.

136023242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1658.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 136023242 is about 11662.9002396488. The cubic root of 136023242 is about 514.2856114271.

Adding to 136023242 its reverse (242320631), we get a palindrome (378343873).

The spelling of 136023242 in words is "one hundred thirty-six million, twenty-three thousand, two hundred forty-two".

Divisors: 1 2 19 23 38 46 103 206 437 874 1511 1957 2369 3022 3914 4738 28709 34753 45011 57418 69506 90022 155633 311266 660307 1320614 2957027 3579559 5914054 7159118 68011621 136023242