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86240307 = 328746769
BaseRepresentation
bin1010010001111…
…10110000110011
320000021110110110
411020332300303
5134034142212
612320232403
72065013316
oct510766063
9200243413
1086240307
114475368a
1224a6b703
1314b3688a
14b64c97d
157887a3c
hex523ec33

86240307 has 4 divisors (see below), whose sum is σ = 114987080. Its totient is φ = 57493536.

The previous prime is 86240249. The next prime is 86240311. The reversal of 86240307 is 70304268.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 86240307 - 214 = 86223923 is a prime.

It is a super-3 number, since 3×862403073 (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86248307) 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, 14373382 + ... + 14373387.

It is an arithmetic number, because the mean of its divisors is an integer number (28746770).

Almost surely, 286240307 is an apocalyptic number.

86240307 is a deficient number, since it is larger than the sum of its proper divisors (28746773).

86240307 is a wasteful number, since it uses less digits than its factorization.

86240307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28746772.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 86240307 is about 9286.5659422630. The cubic root of 86240307 is about 441.8112442467.

The spelling of 86240307 in words is "eighty-six million, two hundred forty thousand, three hundred seven".

Divisors: 1 3 28746769 86240307