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85150757 = 292936233
BaseRepresentation
bin1010001001101…
…00110000100101
312221020002212202
411010310300211
5133244311012
612241024245
72052524636
oct504646045
9187202782
1085150757
114407a02a
1224625085
1314844983
14b44788d
15771ecc2
hex5134c25

85150757 has 4 divisors (see below), whose sum is σ = 88087020. Its totient is φ = 82214496.

The previous prime is 85150753. The next prime is 85150759. The reversal of 85150757 is 75705158.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 58997761 + 26152996 = 7681^2 + 5114^2 .

It is a cyclic number.

It is not a de Polignac number, because 85150757 - 22 = 85150753 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 85150757.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85150753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1468088 + ... + 1468145.

It is an arithmetic number, because the mean of its divisors is an integer number (22021755).

Almost surely, 285150757 is an apocalyptic number.

It is an amenable number.

85150757 is a deficient number, since it is larger than the sum of its proper divisors (2936263).

85150757 is a wasteful number, since it uses less digits than its factorization.

85150757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2936262.

The product of its (nonzero) digits is 49000, while the sum is 38.

The square root of 85150757 is about 9227.7167815229. The cubic root of 85150757 is about 439.9427559826.

The spelling of 85150757 in words is "eighty-five million, one hundred fifty thousand, seven hundred fifty-seven".

Divisors: 1 29 2936233 85150757