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90860853 = 3139921649
BaseRepresentation
bin1010110101001…
…10110100110101
320022222012122210
411122212310311
5141230021403
613003244033
72152206306
oct532466465
9208865583
1090860853
114731a116
1226519619
1315a93a25
14c0d27ad
157e9bb03
hex56a6d35

90860853 has 8 divisors (see below), whose sum is σ = 121240000. Its totient is φ = 60527808.

The previous prime is 90860851. The next prime is 90860867. The reversal of 90860853 is 35806809.

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

It is not a de Polignac number, because 90860853 - 21 = 90860851 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90860851) 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, 6628 + ... + 15021.

It is an arithmetic number, because the mean of its divisors is an integer number (15155000).

Almost surely, 290860853 is an apocalyptic number.

It is an amenable number.

90860853 is a deficient number, since it is larger than the sum of its proper divisors (30379147).

90860853 is a wasteful number, since it uses less digits than its factorization.

90860853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23051.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 90860853 is about 9532.0959395088. The cubic root of 90860853 is about 449.5647693131.

The spelling of 90860853 in words is "ninety million, eight hundred sixty thousand, eight hundred fifty-three".

Divisors: 1 3 1399 4197 21649 64947 30286951 90860853