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85890652 = 2221472663
BaseRepresentation
bin1010001111010…
…01011001011100
312222121200211021
411013221121130
5133442000102
612304533524
72062026031
oct507513134
9188550737
1085890652
1144534a11
12249212a4
1314a43693
14b59b388
157819137
hex51e965c

85890652 has 6 divisors (see below), whose sum is σ = 150308648. Its totient is φ = 42945324.

The previous prime is 85890619. The next prime is 85890689. The reversal of 85890652 is 25609858.

It is a junction number, because it is equal to n+sod(n) for n = 85890599 and 85890608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10736328 + ... + 10736335.

Almost surely, 285890652 is an apocalyptic number.

It is an amenable number.

85890652 is a deficient number, since it is larger than the sum of its proper divisors (64417996).

85890652 is a wasteful number, since it uses less digits than its factorization.

85890652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21472667 (or 21472665 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 43.

The square root of 85890652 is about 9267.7209711989. The cubic root of 85890652 is about 441.2133383660.

The spelling of 85890652 in words is "eighty-five million, eight hundred ninety thousand, six hundred fifty-two".

Divisors: 1 2 4 21472663 42945326 85890652