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86790193 = 714238713
BaseRepresentation
bin1010010110001…
…01000000110001
320001022101202121
411023011000301
5134204241233
612340114241
72102463430
oct513050061
9201271677
1086790193
1144a99836
1225095981
1314c99c59
14b753117
15794592d
hex52c5031

86790193 has 8 divisors (see below), whose sum is σ = 99269888. Its totient is φ = 74330784.

The previous prime is 86790181. The next prime is 86790199. The reversal of 86790193 is 39109768.

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 86790193 - 213 = 86782001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86790199) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5605 + ... + 14317.

It is an arithmetic number, because the mean of its divisors is an integer number (12408736).

Almost surely, 286790193 is an apocalyptic number.

It is an amenable number.

86790193 is a deficient number, since it is larger than the sum of its proper divisors (12479695).

86790193 is a wasteful number, since it uses less digits than its factorization.

86790193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10143.

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 86790193 is about 9316.1254285245. The cubic root of 86790193 is about 442.7482820430.

The spelling of 86790193 in words is "eighty-six million, seven hundred ninety thousand, one hundred ninety-three".

Divisors: 1 7 1423 8713 9961 60991 12398599 86790193