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152103860 = 2257605193
BaseRepresentation
bin10010001000011…
…10101110110100
3101121012200021022
421010032232310
5302414310420
623032040312
73524601326
oct1104165664
9347180238
10152103860
1178949977
1242b33098
13256876ac
14162b5616
15d547c25
hex910ebb4

152103860 has 12 divisors (see below), whose sum is σ = 319418148. Its totient is φ = 60841536.

The previous prime is 152103851. The next prime is 152103863. The reversal of 152103860 is 68301251.

152103860 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 25361296 + 126742564 = 5036^2 + 11258^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152103863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3802577 + ... + 3802616.

It is an arithmetic number, because the mean of its divisors is an integer number (26618179).

Almost surely, 2152103860 is an apocalyptic number.

152103860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

152103860 is an abundant number, since it is smaller than the sum of its proper divisors (167314288).

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

152103860 is a wasteful number, since it uses less digits than its factorization.

152103860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7605202 (or 7605200 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 152103860 is about 12333.0393658660. The cubic root of 152103860 is about 533.8018547869.

The spelling of 152103860 in words is "one hundred fifty-two million, one hundred three thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 20 7605193 15210386 30420772 38025965 76051930 152103860