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140419460 = 22531226483
BaseRepresentation
bin10000101111010…
…10000110000100
3100210020001021202
420113222012010
5241421410320
621533402032
73323355116
oct1027520604
9323201252
10140419460
1172299245
123b039318
132312624c
14149133b6
15c4dab75
hex85ea184

140419460 has 24 divisors (see below), whose sum is σ = 304394496. Its totient is φ = 54355680.

The previous prime is 140419459. The next prime is 140419501. The reversal of 140419460 is 64914041.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112622 + ... + 113861.

It is an arithmetic number, because the mean of its divisors is an integer number (12683104).

Almost surely, 2140419460 is an apocalyptic number.

140419460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140419460 is an abundant number, since it is smaller than the sum of its proper divisors (163975036).

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

140419460 is a wasteful number, since it uses less digits than its factorization.

140419460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226523 (or 226521 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 140419460 is about 11849.8717292636. The cubic root of 140419460 is about 519.7674749342.

The spelling of 140419460 in words is "one hundred forty million, four hundred nineteen thousand, four hundred sixty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 226483 452966 905932 1132415 2264830 4529660 7020973 14041946 28083892 35104865 70209730 140419460