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140308302 = 2323384717
BaseRepresentation
bin10000101110011…
…10111101001110
3100210000101210210
420113032331032
5241404331202
621531143250
73322413051
oct1027167516
9323011723
10140308302
1172222782
123aba4b26
13230b7784
14148c4a98
15c4b7c6c
hex85cef4e

140308302 has 8 divisors (see below), whose sum is σ = 280616616. Its totient is φ = 46769432.

The previous prime is 140308297. The next prime is 140308307. The reversal of 140308302 is 203803041.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (140308297) and next prime (140308307).

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

140308302 is an admirable number.

It is a super-2 number, since 2×1403083022 = 39372839220246408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140308307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11692353 + ... + 11692364.

It is an arithmetic number, because the mean of its divisors is an integer number (35077077).

Almost surely, 2140308302 is an apocalyptic number.

140308302 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

140308302 is a wasteful number, since it uses less digits than its factorization.

140308302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23384722.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 140308302 is about 11845.1805389365. The cubic root of 140308302 is about 519.6302870041.

The spelling of 140308302 in words is "one hundred forty million, three hundred eight thousand, three hundred two".

Divisors: 1 2 3 6 23384717 46769434 70154151 140308302