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85492650 = 23523671553
BaseRepresentation
bin1010001100010…
…00001110101010
312221212110212110
411012020032222
5133341231100
612252223150
72055450465
oct506101652
9187773773
1085492650
1144292991
122476aab6
1314934489
14b4d62dc
15778b250
hex51883aa

85492650 has 48 divisors (see below), whose sum is σ = 212736384. Its totient is φ = 22721280.

The previous prime is 85492553. The next prime is 85492651. The reversal of 85492650 is 5629458.

It is a junction number, because it is equal to n+sod(n) for n = 85492599 and 85492608.

It is not an unprimeable number, because it can be changed into a prime (85492651) 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 23 ways as a sum of consecutive naturals, for example, 54274 + ... + 55826.

It is an arithmetic number, because the mean of its divisors is an integer number (4432008).

Almost surely, 285492650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85492650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106368192).

85492650 is an abundant number, since it is smaller than the sum of its proper divisors (127243734).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85492650 is a wasteful number, since it uses less digits than its factorization.

85492650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1935 (or 1930 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 85492650 is about 9246.2235534298. The cubic root of 85492650 is about 440.5307816254.

The spelling of 85492650 in words is "eighty-five million, four hundred ninety-two thousand, six hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 150 367 734 1101 1553 1835 2202 3106 3670 4659 5505 7765 9175 9318 11010 15530 18350 23295 27525 38825 46590 55050 77650 116475 232950 569951 1139902 1709853 2849755 3419706 5699510 8549265 14248775 17098530 28497550 42746325 85492650