Search a number
-
+
138801182 = 21323232109
BaseRepresentation
bin10000100010111…
…11000000011110
3100200011211102112
420101133000132
5241013114212
621434554022
73303535112
oct1021370036
9320154375
10138801182
1171393423
123a598912
13229aa7a0
1414611742
15c2bb422
hex845f01e

138801182 has 16 divisors (see below), whose sum is σ = 233966880. Its totient is φ = 61276512.

The previous prime is 138801151. The next prime is 138801191. The reversal of 138801182 is 281108831.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115457 + ... + 116652.

It is an arithmetic number, because the mean of its divisors is an integer number (14622930).

Almost surely, 2138801182 is an apocalyptic number.

138801182 is a deficient number, since it is larger than the sum of its proper divisors (95165698).

138801182 is a wasteful number, since it uses less digits than its factorization.

138801182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232147.

The product of its (nonzero) digits is 3072, while the sum is 32.

The square root of 138801182 is about 11781.3913439797. The cubic root of 138801182 is about 517.7630510928.

The spelling of 138801182 in words is "one hundred thirty-eight million, eight hundred one thousand, one hundred eighty-two".

Divisors: 1 2 13 23 26 46 299 598 232109 464218 3017417 5338507 6034834 10677014 69400591 138801182