Search a number
-
+
138151410 = 23515130497
BaseRepresentation
bin10000011110000…
…00010111110010
3100121221211002220
420033000113302
5240331321120
621413021510
73265160535
oct1017002762
9317854086
10138151410
1170a8a221
123a324896
1322810ac7
14144c2a1c
15c1ddb40
hex83c05f2

138151410 has 32 divisors (see below), whose sum is σ = 333770112. Its totient is φ = 36595200.

The previous prime is 138151393. The next prime is 138151411. The reversal of 138151410 is 14151831.

It is not an unprimeable number, because it can be changed into a prime (138151411) 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, 10719 + ... + 19778.

It is an arithmetic number, because the mean of its divisors is an integer number (10430316).

Almost surely, 2138151410 is an apocalyptic number.

138151410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

138151410 is an abundant number, since it is smaller than the sum of its proper divisors (195618702).

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

138151410 is a wasteful number, since it uses less digits than its factorization.

138151410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30658.

The product of its (nonzero) digits is 480, while the sum is 24.

The square root of 138151410 is about 11753.7827953387. The cubic root of 138151410 is about 516.9538498239.

It can be divided in two parts, 13815 and 1410, that added together give a triangular number (15225 = T174).

The spelling of 138151410 in words is "one hundred thirty-eight million, one hundred fifty-one thousand, four hundred ten".

Divisors: 1 2 3 5 6 10 15 30 151 302 453 755 906 1510 2265 4530 30497 60994 91491 152485 182982 304970 457455 914910 4605047 9210094 13815141 23025235 27630282 46050470 69075705 138151410