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85794457 = 712256351
BaseRepresentation
bin1010001110100…
…01111010011001
312222102210212111
411013101322121
5133430410312
612302512321
72061145420
oct507217231
9188383774
1085794457
1144479711
12248956a1
1314a0b968
14b5742b7
1577ea8a7
hex51d1e99

85794457 has 4 divisors (see below), whose sum is σ = 98050816. Its totient is φ = 73538100.

The previous prime is 85794451. The next prime is 85794473. The reversal of 85794457 is 75449758.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 85794457 - 219 = 85270169 is a prime.

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 85794457.

It is not an unprimeable number, because it can be changed into a prime (85794451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6128169 + ... + 6128182.

It is an arithmetic number, because the mean of its divisors is an integer number (24512704).

Almost surely, 285794457 is an apocalyptic number.

It is an amenable number.

85794457 is a deficient number, since it is larger than the sum of its proper divisors (12256359).

85794457 is a wasteful number, since it uses less digits than its factorization.

85794457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12256358.

The product of its digits is 1411200, while the sum is 49.

The square root of 85794457 is about 9262.5297300468. The cubic root of 85794457 is about 441.0485615218.

The spelling of 85794457 in words is "eighty-five million, seven hundred ninety-four thousand, four hundred fifty-seven".

Divisors: 1 7 12256351 85794457