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140282990 = 2533741627
BaseRepresentation
bin10000101110010…
…00110001101110
3100202222010002022
420113020301232
5241403023430
621530430142
73322246211
oct1027106156
9322863068
10140282990
1172205761
123ab92352
13230a90b3
14148b9778
15c4b04e5
hex85c8c6e

140282990 has 16 divisors (see below), whose sum is σ = 253264752. Its totient is φ = 55945344.

The previous prime is 140282983. The next prime is 140282999. The reversal of 140282990 is 99282041.

It is a self number, because there is not a number n which added to its sum of digits gives 140282990.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140282999) by changing a digit.

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, 17444 + ... + 24183.

It is an arithmetic number, because the mean of its divisors is an integer number (15829047).

Almost surely, 2140282990 is an apocalyptic number.

140282990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140282990 is a deficient number, since it is larger than the sum of its proper divisors (112981762).

140282990 is a wasteful number, since it uses less digits than its factorization.

140282990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41971.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 140282990 is about 11844.1120393215. The cubic root of 140282990 is about 519.5990375516.

The spelling of 140282990 in words is "one hundred forty million, two hundred eighty-two thousand, nine hundred ninety".

Divisors: 1 2 5 10 337 674 1685 3370 41627 83254 208135 416270 14028299 28056598 70141495 140282990