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140635230 = 2357364217
BaseRepresentation
bin10000110000111…
…10110001011110
3100210122000021020
420120132301132
5242000311410
621542145010
73325244151
oct1030366136
9323560236
10140635230
117242636a
123b122166
13231a0518
141496bc98
15c52ea70
hex861ec5e

140635230 has 32 divisors (see below), whose sum is σ = 342153504. Its totient is φ = 36988416.

The previous prime is 140635199. The next prime is 140635249. The reversal of 140635230 is 32536041.

It is a happy number.

140635230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 140635230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29919 + ... + 34298.

It is an arithmetic number, because the mean of its divisors is an integer number (10692297).

Almost surely, 2140635230 is an apocalyptic number.

140635230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140635230 is an abundant number, since it is smaller than the sum of its proper divisors (201518274).

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

140635230 is a wasteful number, since it uses less digits than its factorization.

140635230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64300.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 140635230 is about 11858.9725524600. The cubic root of 140635230 is about 520.0335653876.

The spelling of 140635230 in words is "one hundred forty million, six hundred thirty-five thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 73 146 219 365 438 730 1095 2190 64217 128434 192651 321085 385302 642170 963255 1926510 4687841 9375682 14063523 23439205 28127046 46878410 70317615 140635230