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140228265 = 3519492029
BaseRepresentation
bin10000101101110…
…11011010101001
3100202212100000110
420112323122221
5241344301030
621525324533
73321630522
oct1026733251
9322770013
10140228265
1172178631
123ab66749
132308a208
14148a3849
15c49e1b0
hex85bb6a9

140228265 has 16 divisors (see below), whose sum is σ = 236174400. Its totient is φ = 70852032.

The previous prime is 140228243. The next prime is 140228267. The reversal of 140228265 is 562822041.

It is not a de Polignac number, because 140228265 - 25 = 140228233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140228267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 245730 + ... + 246299.

It is an arithmetic number, because the mean of its divisors is an integer number (14760900).

Almost surely, 2140228265 is an apocalyptic number.

140228265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140228265 is a deficient number, since it is larger than the sum of its proper divisors (95946135).

140228265 is a wasteful number, since it uses less digits than its factorization.

140228265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492056.

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 140228265 is about 11841.8015943521. The cubic root of 140228265 is about 519.5314628213.

The spelling of 140228265 in words is "one hundred forty million, two hundred twenty-eight thousand, two hundred sixty-five".

Divisors: 1 3 5 15 19 57 95 285 492029 1476087 2460145 7380435 9348551 28045653 46742755 140228265