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140455205 = 5115035077
BaseRepresentation
bin10000101111100…
…10110100100101
3100210021212022122
420113302310211
5241424031310
621534235325
73323564252
oct1027626445
9323255278
10140455205
1172313090
123b055b45
13231395b7
1414922429
15c4e6555
hex85f2d25

140455205 has 16 divisors (see below), whose sum is σ = 184270464. Its totient is φ = 101926080.

The previous prime is 140455177. The next prime is 140455213. The reversal of 140455205 is 502554041.

140455205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 140455205 - 28 = 140454949 is a prime.

It is a super-2 number, since 2×1404552052 = 39455329223184050, which contains 22 as substring.

It is a Duffinian number.

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, 25127 + ... + 30203.

It is an arithmetic number, because the mean of its divisors is an integer number (11516904).

Almost surely, 2140455205 is an apocalyptic number.

It is an amenable number.

140455205 is a deficient number, since it is larger than the sum of its proper divisors (43815259).

140455205 is a wasteful number, since it uses less digits than its factorization.

140455205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5596.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 140455205 is about 11851.3798774657. The cubic root of 140455205 is about 519.8115749759.

The spelling of 140455205 in words is "one hundred forty million, four hundred fifty-five thousand, two hundred five".

Divisors: 1 5 11 55 503 2515 5077 5533 25385 27665 55847 279235 2553731 12768655 28091041 140455205