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85995019 = 1111936553
BaseRepresentation
bin1010010000000…
…10111000001011
312222210222222201
411020002320023
5134003320034
612311101031
72062642225
oct510027013
9188728881
1085995019
11445a6370
1224971777
1314a7c036
14b5c7415
15783a014
hex5202e0b

85995019 has 8 divisors (see below), whose sum is σ = 93905712. Its totient is φ = 78099840.

The previous prime is 85995011. The next prime is 85995029. The reversal of 85995019 is 91059958.

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 85995019 - 23 = 85995011 is a prime.

It is a super-2 number, since 2×859950192 = 14790286585620722, which contains 22 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 85995019.

It is not an unprimeable number, because it can be changed into a prime (85995011) 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, 9847 + ... + 16399.

It is an arithmetic number, because the mean of its divisors is an integer number (11738214).

Almost surely, 285995019 is an apocalyptic number.

85995019 is a deficient number, since it is larger than the sum of its proper divisors (7910693).

85995019 is a wasteful number, since it uses less digits than its factorization.

85995019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7757.

The product of its (nonzero) digits is 145800, while the sum is 46.

The square root of 85995019 is about 9273.3499340853. The cubic root of 85995019 is about 441.3919743127.

The spelling of 85995019 in words is "eighty-five million, nine hundred ninety-five thousand, nineteen".

Divisors: 1 11 1193 6553 13123 72083 7817729 85995019