Search a number
-
+
124131140 = 2257886651
BaseRepresentation
bin1110110011000…
…01011101000100
322122120111220122
413121201131010
5223234144030
620152321112
73035045240
oct731413504
9278514818
10124131140
1164083621
12356a3198
131c9423a3
14126b3420
15ad6e8e5
hex7661744

124131140 has 24 divisors (see below), whose sum is σ = 297915072. Its totient is φ = 42559200.

The previous prime is 124131131. The next prime is 124131151. The reversal of 124131140 is 41131421.

It is a happy 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 7 ways as a sum of consecutive naturals, for example, 443186 + ... + 443465.

It is an arithmetic number, because the mean of its divisors is an integer number (12413128).

Almost surely, 2124131140 is an apocalyptic number.

124131140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124131140 is an abundant number, since it is smaller than the sum of its proper divisors (173783932).

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

124131140 is a wasteful number, since it uses less digits than its factorization.

124131140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886667 (or 886665 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 124131140 is about 11141.4155294559. The cubic root of 124131140 is about 498.8388254348.

Adding to 124131140 its reverse (41131421), we get a palindrome (165262561).

The spelling of 124131140 in words is "one hundred twenty-four million, one hundred thirty-one thousand, one hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 886651 1773302 3546604 4433255 6206557 8866510 12413114 17733020 24826228 31032785 62065570 124131140