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140873040 = 2433572113
BaseRepresentation
bin10000110010110…
…00110101010000
3100211002002111000
420121120311100
5242030414130
621551222000
73330254400
oct1031306520
9324062430
10140873040
1172579000
123b217900
1323254839
14149d0800
15c57a260
hex8658d50

140873040 has 480 divisors, whose sum is σ = 620853120. Its totient is φ = 29272320.

The previous prime is 140873009. The next prime is 140873041. The reversal of 140873040 is 40378041.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 140872995 and 140873013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140873041) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 12806635 + ... + 12806645.

It is an arithmetic number, because the mean of its divisors is an integer number (1293444).

Almost surely, 2140873040 is an apocalyptic number.

140873040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140873040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (310426560).

140873040 is an abundant number, since it is smaller than the sum of its proper divisors (479980080).

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

140873040 is a wasteful number, since it uses less digits than its factorization.

140873040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69 (or 28 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 140873040 is about 11868.9949026866. The cubic root of 140873040 is about 520.3265207649.

The spelling of 140873040 in words is "one hundred forty million, eight hundred seventy-three thousand, forty".