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86648245 = 523753463
BaseRepresentation
bin1010010101000…
…10010110110101
320001001012001021
411022202112311
5134140220440
612333101141
72101332535
oct512422665
9201035037
1086648245
1144a02122
12250277b1
1314c4a468
14b7174c5
15791884a
hex52a25b5

86648245 has 8 divisors (see below), whose sum is σ = 108498816. Its totient is φ = 66304656.

The previous prime is 86648231. The next prime is 86648251. The reversal of 86648245 is 54284668.

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 86648245 - 213 = 86640053 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 376617 + ... + 376846.

It is an arithmetic number, because the mean of its divisors is an integer number (13562352).

Almost surely, 286648245 is an apocalyptic number.

It is an amenable number.

86648245 is a deficient number, since it is larger than the sum of its proper divisors (21850571).

86648245 is a wasteful number, since it uses less digits than its factorization.

86648245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753491.

The product of its digits is 368640, while the sum is 43.

The square root of 86648245 is about 9308.5039077179. The cubic root of 86648245 is about 442.5067742374.

The spelling of 86648245 in words is "eighty-six million, six hundred forty-eight thousand, two hundred forty-five".

Divisors: 1 5 23 115 753463 3767315 17329649 86648245