Search a number
-
+
85707074 = 261702517
BaseRepresentation
bin1010001101111…
…00100101000010
312222021101000002
411012330211002
5133420111244
612301000002
72060332565
oct506744502
9188241002
1085707074
1144419aa2
1224853002
13149aac5b
14b5504dc
1577cea4e
hex51bc942

85707074 has 8 divisors (see below), whose sum is σ = 130668348. Its totient is φ = 42150960.

The previous prime is 85707053. The next prime is 85707077. The reversal of 85707074 is 47070758.

It can be written as a sum of positive squares in 2 ways, for example, as 68773849 + 16933225 = 8293^2 + 4115^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (85707077) 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, 351137 + ... + 351380.

Almost surely, 285707074 is an apocalyptic number.

85707074 is a deficient number, since it is larger than the sum of its proper divisors (44961274).

85707074 is a wasteful number, since it uses less digits than its factorization.

85707074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702580.

The product of its (nonzero) digits is 54880, while the sum is 38.

The square root of 85707074 is about 9257.8115124472. The cubic root of 85707074 is about 440.8987723637.

The spelling of 85707074 in words is "eighty-five million, seven hundred seven thousand, seventy-four".

Divisors: 1 2 61 122 702517 1405034 42853537 85707074