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140945460 = 22352349091
BaseRepresentation
bin10000110011010…
…10100000110100
3100211012202211020
420121222200310
5242040223320
621552541140
73331005465
oct1031524064
9324182736
10140945460
1172618457
123b2517b0
132327b7a6
1414a0cd6c
15c591940
hex866a834

140945460 has 24 divisors (see below), whose sum is σ = 394647456. Its totient is φ = 37585440.

The previous prime is 140945459. The next prime is 140945471. The reversal of 140945460 is 64549041.

140945460 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1409454602 = 39731245389223200, which contains 22 as substring.

It is a congruent 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, 1174486 + ... + 1174605.

It is an arithmetic number, because the mean of its divisors is an integer number (16443644).

Almost surely, 2140945460 is an apocalyptic number.

140945460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140945460 is an abundant number, since it is smaller than the sum of its proper divisors (253701996).

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

140945460 is a wasteful number, since it uses less digits than its factorization.

140945460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2349103 (or 2349101 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 140945460 is about 11872.0453166251. The cubic root of 140945460 is about 520.4156686276.

The spelling of 140945460 in words is "one hundred forty million, nine hundred forty-five thousand, four hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 2349091 4698182 7047273 9396364 11745455 14094546 23490910 28189092 35236365 46981820 70472730 140945460