Search a number
-
+
152091780 = 22352534863
BaseRepresentation
bin10010001000010…
…11110010000100
3101121012001200220
421010023302010
5302413414110
623031504340
73524521161
oct1104136204
9347161626
10152091780
1178940895
1242b280b0
1325682049
14162b1068
15d544370
hex910bc84

152091780 has 24 divisors (see below), whose sum is σ = 425857152. Its totient is φ = 40557792.

The previous prime is 152091767. The next prime is 152091781. The reversal of 152091780 is 87190251.

It is not an unprimeable number, because it can be changed into a prime (152091781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1267372 + ... + 1267491.

It is an arithmetic number, because the mean of its divisors is an integer number (17744048).

Almost surely, 2152091780 is an apocalyptic number.

152091780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

152091780 is an abundant number, since it is smaller than the sum of its proper divisors (273765372).

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

152091780 is a wasteful number, since it uses less digits than its factorization.

152091780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2534875 (or 2534873 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 33.

The square root of 152091780 is about 12332.5496147390. The cubic root of 152091780 is about 533.7877230019.

The spelling of 152091780 in words is "one hundred fifty-two million, ninety-one thousand, seven hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 2534863 5069726 7604589 10139452 12674315 15209178 25348630 30418356 38022945 50697260 76045890 152091780