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86985803 = 433200891
BaseRepresentation
bin1010010111101…
…00110001001011
320001200100002102
411023310301023
5134232021203
612344224015
72104236632
oct513646113
9201610072
1086985803
11451127a3
122516b00b
1315037cb8
14b7a4519
157983888
hex52f4c4b

86985803 has 4 divisors (see below), whose sum is σ = 87187128. Its totient is φ = 86784480.

The previous prime is 86985763. The next prime is 86985809. The reversal of 86985803 is 30858968.

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 86985803 - 26 = 86985739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86985809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100013 + ... + 100878.

It is an arithmetic number, because the mean of its divisors is an integer number (21796782).

Almost surely, 286985803 is an apocalyptic number.

86985803 is a deficient number, since it is larger than the sum of its proper divisors (201325).

86985803 is a wasteful number, since it uses less digits than its factorization.

86985803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201324.

The product of its (nonzero) digits is 414720, while the sum is 47.

The square root of 86985803 is about 9326.6179829561. The cubic root of 86985803 is about 443.0806583359.

The spelling of 86985803 in words is "eighty-six million, nine hundred eighty-five thousand, eight hundred three".

Divisors: 1 433 200891 86985803