Search a number
-
+
138387114 = 2327688173
BaseRepresentation
bin10000011111110…
…01111010101010
3100122101210102200
420033321322222
5240411341424
621422041030
73300161655
oct1017717252
9318353380
10138387114
1171130318
123a419176
1322894188
141454489c
15c2388c9
hex83f9eaa

138387114 has 12 divisors (see below), whose sum is σ = 299838786. Its totient is φ = 46129032.

The previous prime is 138387107. The next prime is 138387133. The reversal of 138387114 is 411783831.

It can be written as a sum of positive squares in only one way, i.e., 128255625 + 10131489 = 11325^2 + 3183^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3844069 + ... + 3844104.

Almost surely, 2138387114 is an apocalyptic number.

138387114 is an abundant number, since it is smaller than the sum of its proper divisors (161451672).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

138387114 is a wasteful number, since it uses less digits than its factorization.

138387114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7688181 (or 7688178 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 138387114 is about 11763.8052517032. The cubic root of 138387114 is about 517.2476792768.

The spelling of 138387114 in words is "one hundred thirty-eight million, three hundred eighty-seven thousand, one hundred fourteen".

Divisors: 1 2 3 6 9 18 7688173 15376346 23064519 46129038 69193557 138387114