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140014520 = 2356157383
BaseRepresentation
bin10000101100001…
…11001110111000
3100202110110210222
420112013032320
5241320431040
621520555212
73320050412
oct1026071670
9322413728
10140014520
1172041a88
123aa82b08
1323013b39
14148499b2
15c45abb5
hex85873b8

140014520 has 32 divisors (see below), whose sum is σ = 320202720. Its totient is φ = 55086720.

The previous prime is 140014519. The next prime is 140014531. The reversal of 140014520 is 25410041.

140014520 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent 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, 26252 + ... + 31131.

It is an arithmetic number, because the mean of its divisors is an integer number (10006335).

Almost surely, 2140014520 is an apocalyptic number.

140014520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140014520 is an abundant number, since it is smaller than the sum of its proper divisors (180188200).

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

140014520 is a wasteful number, since it uses less digits than its factorization.

140014520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57455 (or 57451 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 140014520 is about 11832.7731322797. The cubic root of 140014520 is about 519.2673607584.

Adding to 140014520 its reverse (25410041), we get a palindrome (165424561).

The spelling of 140014520 in words is "one hundred forty million, fourteen thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 61 122 244 305 488 610 1220 2440 57383 114766 229532 286915 459064 573830 1147660 2295320 3500363 7000726 14001452 17501815 28002904 35003630 70007260 140014520