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140271235 = 5132158019
BaseRepresentation
bin10000101110001…
…01111010000011
3100202221111221221
420113011322003
5241402134420
621530255511
73322200016
oct1027057203
9322844857
10140271235
11721a7945
123ab87597
13230a3940
14148b537d
15c4abcaa
hex85c5e83

140271235 has 8 divisors (see below), whose sum is σ = 181273680. Its totient is φ = 103584864.

The previous prime is 140271223. The next prime is 140271247. The reversal of 140271235 is 532172041.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (140271223) and next prime (140271247).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140271235 - 211 = 140269187 is a prime.

It is an unprimeable number.

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, 1078945 + ... + 1079074.

It is an arithmetic number, because the mean of its divisors is an integer number (22659210).

Almost surely, 2140271235 is an apocalyptic number.

140271235 is a deficient number, since it is larger than the sum of its proper divisors (41002445).

140271235 is a wasteful number, since it uses less digits than its factorization.

140271235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2158037.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 140271235 is about 11843.6157907963. The cubic root of 140271235 is about 519.5845238953.

The spelling of 140271235 in words is "one hundred forty million, two hundred seventy-one thousand, two hundred thirty-five".

Divisors: 1 5 13 65 2158019 10790095 28054247 140271235