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85047475 = 523401899
BaseRepresentation
bin1010001000110…
…11100010110011
312221000212012111
411010123202303
5133233004400
612234510151
72051614552
oct504334263
9187025174
1085047475
1144009477
1224595357
1314809966
14b41bd99
1576ee3ba
hex511b8b3

85047475 has 6 divisors (see below), whose sum is σ = 105458900. Its totient is φ = 68037960.

The previous prime is 85047449. The next prime is 85047499. The reversal of 85047475 is 57474058.

It is not a de Polignac number, because 85047475 - 29 = 85046963 is a prime.

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 5 ways as a sum of consecutive naturals, for example, 1700925 + ... + 1700974.

Almost surely, 285047475 is an apocalyptic number.

85047475 is a deficient number, since it is larger than the sum of its proper divisors (20411425).

85047475 is a wasteful number, since it uses less digits than its factorization.

85047475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3401909 (or 3401904 counting only the distinct ones).

The product of its (nonzero) digits is 156800, while the sum is 40.

The square root of 85047475 is about 9222.1187912540. The cubic root of 85047475 is about 439.7648106034.

The spelling of 85047475 in words is "eighty-five million, forty-seven thousand, four hundred seventy-five".

Divisors: 1 5 25 3401899 17009495 85047475