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86999907 = 3179162011
BaseRepresentation
bin1010010111110…
…00001101100011
320001201001102210
411023320031203
5134232444112
612344413203
72104326021
oct513701543
9201631383
1086999907
1145122355
1225177203
1315041547
14b7a9711
157987b3c
hex52f8363

86999907 has 8 divisors (see below), whose sum is σ = 116648640. Its totient is φ = 57675560.

The previous prime is 86999873. The next prime is 86999911. The reversal of 86999907 is 70999968.

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 86999907 - 216 = 86934371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86999947) 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, 80469 + ... + 81542.

It is an arithmetic number, because the mean of its divisors is an integer number (14581080).

Almost surely, 286999907 is an apocalyptic number.

86999907 is a deficient number, since it is larger than the sum of its proper divisors (29648733).

86999907 is a wasteful number, since it uses less digits than its factorization.

86999907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162193.

The product of its (nonzero) digits is 2204496, while the sum is 57.

The square root of 86999907 is about 9327.3740677642. The cubic root of 86999907 is about 443.1046042814.

The spelling of 86999907 in words is "eighty-six million, nine hundred ninety-nine thousand, nine hundred seven".

Divisors: 1 3 179 537 162011 486033 28999969 86999907