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85207073 = 714518389
BaseRepresentation
bin1010001010000…
…10100000100001
312221022222010112
411011002200201
5133303111243
612242141105
72053151060
oct505024041
9187288115
1085207073
1144108376
1224651795
13148644b3
14b4601d7
157731818
hex5142821

85207073 has 8 divisors (see below), whose sum is σ = 97458240. Its totient is φ = 72975600.

The previous prime is 85207027. The next prime is 85207081. The reversal of 85207073 is 37070258.

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 85207073 - 210 = 85206049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85207273) 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, 5963 + ... + 14351.

It is an arithmetic number, because the mean of its divisors is an integer number (12182280).

Almost surely, 285207073 is an apocalyptic number.

It is an amenable number.

85207073 is a deficient number, since it is larger than the sum of its proper divisors (12251167).

85207073 is a wasteful number, since it uses less digits than its factorization.

85207073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9847.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 85207073 is about 9230.7677362178. The cubic root of 85207073 is about 440.0397226534.

The spelling of 85207073 in words is "eighty-five million, two hundred seven thousand, seventy-three".

Divisors: 1 7 1451 8389 10157 58723 12172439 85207073