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86302013 = 7171913797
BaseRepresentation
bin1010010010011…
…01110100111101
320000101121002212
411021031310331
5134043131023
612321430205
72065361240
oct511156475
9200347085
1086302013
1144795a86
1224a9b365
1314b589a5
14b667257
15789ae78
hex524dd3d

86302013 has 16 divisors (see below), whose sum is σ = 105007104. Its totient is φ = 69239040.

The previous prime is 86302001. The next prime is 86302031. The reversal of 86302013 is 31020368.

It is a cyclic number.

It is not a de Polignac number, because 86302013 - 24 = 86301997 is a prime.

It is a super-3 number, since 3×863020133 (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 86302013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86302033) 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, 20831 + ... + 24627.

It is an arithmetic number, because the mean of its divisors is an integer number (6562944).

Almost surely, 286302013 is an apocalyptic number.

It is an amenable number.

86302013 is a deficient number, since it is larger than the sum of its proper divisors (18705091).

86302013 is a wasteful number, since it uses less digits than its factorization.

86302013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4012.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 86302013 is about 9289.8876742402. The cubic root of 86302013 is about 441.9165929171.

The spelling of 86302013 in words is "eighty-six million, three hundred two thousand, thirteen".

Divisors: 1 7 17 119 191 1337 3247 3797 22729 26579 64549 451843 725227 5076589 12328859 86302013