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140014550 = 252131712671
BaseRepresentation
bin10000101100001…
…11001111010110
3100202110110212002
420112013033112
5241320431200
621520555302
73320050454
oct1026071726
9322413762
10140014550
1172042005
123aa82b32
1323013b60
14148499d4
15c45abd5
hex85873d6

140014550 has 48 divisors (see below), whose sum is σ = 296980992. Its totient is φ = 48652800.

The previous prime is 140014531. The next prime is 140014559. The reversal of 140014550 is 55410041.

140014550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140014559) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4715 + ... + 17385.

It is an arithmetic number, because the mean of its divisors is an integer number (6187104).

Almost surely, 2140014550 is an apocalyptic number.

140014550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140014550 is an abundant number, since it is smaller than the sum of its proper divisors (156966442).

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

140014550 is a wasteful number, since it uses less digits than its factorization.

140014550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12713 (or 12708 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 140014550 is about 11832.7743999453. The cubic root of 140014550 is about 519.2673978451.

Adding to 140014550 its reverse (55410041), we get a palindrome (195424591).

The spelling of 140014550 in words is "one hundred forty million, fourteen thousand, five hundred fifty".

Divisors: 1 2 5 10 13 17 25 26 34 50 65 85 130 170 221 325 425 442 650 850 1105 2210 5525 11050 12671 25342 63355 126710 164723 215407 316775 329446 430814 633550 823615 1077035 1647230 2154070 2800291 4118075 5385175 5600582 8236150 10770350 14001455 28002910 70007275 140014550