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85572692 = 2221393173
BaseRepresentation
bin1010001100110…
…11110001010100
312222000112122222
411012123301110
5133401311232
612254041512
72056233032
oct506336124
9188015588
1085572692
1144338037
12247a9298
1314961a3a
14b517552
1577a4d12
hex519bc54

85572692 has 6 divisors (see below), whose sum is σ = 149752218. Its totient is φ = 42786344.

The previous prime is 85572689. The next prime is 85572703. The reversal of 85572692 is 29627558.

It can be written as a sum of positive squares in only one way, i.e., 67305616 + 18267076 = 8204^2 + 4274^2 .

It is a super-2 number, since 2×855726922 = 14645371232253728, which contains 22 as substring.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 10696583 + ... + 10696590.

It is an arithmetic number, because the mean of its divisors is an integer number (24958703).

Almost surely, 285572692 is an apocalyptic number.

It is an amenable number.

85572692 is a deficient number, since it is larger than the sum of its proper divisors (64179526).

85572692 is a wasteful number, since it uses less digits than its factorization.

85572692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21393177 (or 21393175 counting only the distinct ones).

The product of its digits is 302400, while the sum is 44.

The square root of 85572692 is about 9250.5509025139. The cubic root of 85572692 is about 440.6682202093.

The spelling of 85572692 in words is "eighty-five million, five hundred seventy-two thousand, six hundred ninety-two".

Divisors: 1 2 4 21393173 42786346 85572692