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140425242 = 2340957223
BaseRepresentation
bin10000101111010…
…11100000011010
3100210020100012220
420113223200122
5241422101432
621533444510
73323411016
oct1027534032
9323210186
10140425242
11722a2621
123b040736
1323128a79
1414915546
15c4dc72c
hex85eb81a

140425242 has 16 divisors (see below), whose sum is σ = 281542080. Its totient is φ = 46693152.

The previous prime is 140425223. The next prime is 140425303. The reversal of 140425242 is 242524041.

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, 26158 + ... + 31065.

It is an arithmetic number, because the mean of its divisors is an integer number (17596380).

Almost surely, 2140425242 is an apocalyptic number.

140425242 is an abundant number, since it is smaller than the sum of its proper divisors (141116838).

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

140425242 is a wasteful number, since it uses less digits than its factorization.

140425242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57637.

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 140425242 is about 11850.1156956377. The cubic root of 140425242 is about 519.7746089271.

Adding to 140425242 its reverse (242524041), we get a palindrome (382949283).

The spelling of 140425242 in words is "one hundred forty million, four hundred twenty-five thousand, two hundred forty-two".

Divisors: 1 2 3 6 409 818 1227 2454 57223 114446 171669 343338 23404207 46808414 70212621 140425242