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85989653 = 1032812971
BaseRepresentation
bin1010010000000…
…01100100010101
312222210201121222
411020001210111
5134003132103
612311020125
72062620461
oct510014425
9188721558
1085989653
11445a2332
122496a645
1314a79769
14b5c54a1
157838638
hex5201915

85989653 has 8 divisors (see below), whose sum is σ = 87162816. Its totient is φ = 84823200.

The previous prime is 85989613. The next prime is 85989697. The reversal of 85989653 is 35698958.

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

It is a cyclic number.

It is not a de Polignac number, because 85989653 - 226 = 18880789 is a prime.

It is a super-3 number, since 3×859896533 (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85989595 and 85989604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85989613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27458 + ... + 30428.

It is an arithmetic number, because the mean of its divisors is an integer number (10895352).

Almost surely, 285989653 is an apocalyptic number.

It is an amenable number.

85989653 is a deficient number, since it is larger than the sum of its proper divisors (1173163).

85989653 is a wasteful number, since it uses less digits than its factorization.

85989653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3355.

The product of its digits is 2332800, while the sum is 53.

The square root of 85989653 is about 9273.0606058626. The cubic root of 85989653 is about 441.3827933213.

The spelling of 85989653 in words is "eighty-five million, nine hundred eighty-nine thousand, six hundred fifty-three".

Divisors: 1 103 281 2971 28943 306013 834851 85989653