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152462140 = 2257623107
BaseRepresentation
bin10010001011001…
…10001100111100
3101121212212201221
421011212030330
5303012242030
623043443124
73530623015
oct1105461474
9347785657
10152462140
1179074076
12430864a4
13257817ac
141636a00c
15d5b8e7a
hex916633c

152462140 has 12 divisors (see below), whose sum is σ = 320170536. Its totient is φ = 60984848.

The previous prime is 152462131. The next prime is 152462159. The reversal of 152462140 is 41264251.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 3811534 + ... + 3811573.

It is an arithmetic number, because the mean of its divisors is an integer number (26680878).

Almost surely, 2152462140 is an apocalyptic number.

152462140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

152462140 is an abundant number, since it is smaller than the sum of its proper divisors (167708396).

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

152462140 is a wasteful number, since it uses less digits than its factorization.

152462140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7623116 (or 7623114 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 152462140 is about 12347.5560334829. The cubic root of 152462140 is about 534.2206488080.

The spelling of 152462140 in words is "one hundred fifty-two million, four hundred sixty-two thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 7623107 15246214 30492428 38115535 76231070 152462140