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85513803 = 328504601
BaseRepresentation
bin1010001100011…
…01011001001011
312221220112212220
411012031121023
5133342420203
612252505123
72055566244
oct506153113
9187815786
1085513803
11442a7871
122477b1a3
1314940cab
14b4ddccb
157792653
hex518d64b

85513803 has 4 divisors (see below), whose sum is σ = 114018408. Its totient is φ = 57009200.

The previous prime is 85513801. The next prime is 85513811. The reversal of 85513803 is 30831558.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 85513803 - 21 = 85513801 is a prime.

It is a super-2 number, since 2×855138032 = 14625221007045618, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (85513801) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 14252298 + ... + 14252303.

It is an arithmetic number, because the mean of its divisors is an integer number (28504602).

Almost surely, 285513803 is an apocalyptic number.

85513803 is a deficient number, since it is larger than the sum of its proper divisors (28504605).

85513803 is a wasteful number, since it uses less digits than its factorization.

85513803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28504604.

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 85513803 is about 9247.3673550909. The cubic root of 85513803 is about 440.5671113729.

The spelling of 85513803 in words is "eighty-five million, five hundred thirteen thousand, eight hundred three".

Divisors: 1 3 28504601 85513803