Search a number
-
+
136845388 = 223747103191
BaseRepresentation
bin10000010100000…
…01100001001100
3100112111110120201
420022001201030
5240013023023
621325023244
73251111101
oct1012014114
9315443521
10136845388
1170277a69
12399b4b24
1322474504
1414262aa8
15c031bad
hex828184c

136845388 has 48 divisors (see below), whose sum is σ = 254951424. Its totient is φ = 64186560.

The previous prime is 136845347. The next prime is 136845389. The reversal of 136845388 is 883548631.

It is not an unprimeable number, because it can be changed into a prime (136845389) 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, 716373 + ... + 716563.

It is an arithmetic number, because the mean of its divisors is an integer number (5311488).

Almost surely, 2136845388 is an apocalyptic number.

It is an amenable number.

136845388 is a deficient number, since it is larger than the sum of its proper divisors (118106036).

136845388 is a wasteful number, since it uses less digits than its factorization.

136845388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382 (or 380 counting only the distinct ones).

The product of its digits is 552960, while the sum is 46.

The square root of 136845388 is about 11698.0933489180. The cubic root of 136845388 is about 515.3196720815.

The spelling of 136845388 in words is "one hundred thirty-six million, eight hundred forty-five thousand, three hundred eighty-eight".

Divisors: 1 2 4 37 47 74 94 103 148 188 191 206 382 412 764 1739 3478 3811 4841 6956 7067 7622 8977 9682 14134 15244 17954 19364 19673 28268 35908 39346 78692 179117 332149 358234 664298 716468 727901 924631 1328596 1455802 1849262 2911604 3698524 34211347 68422694 136845388