Search a number
-
+
86845900 = 2252868459
BaseRepresentation
bin1010010110100…
…10100111001100
320001102020011211
411023102213030
5134213032100
612341224204
72103115021
oct513224714
9201366154
1086845900
1145027679
1225102064
1314cb940b
14b769548
1579571ba
hex52d29cc

86845900 has 18 divisors (see below), whose sum is σ = 188455820. Its totient is φ = 34738320.

The previous prime is 86845879. The next prime is 86845909. The reversal of 86845900 is 954868.

It is not an unprimeable number, because it can be changed into a prime (86845909) 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 5 ways as a sum of consecutive naturals, for example, 434130 + ... + 434329.

Almost surely, 286845900 is an apocalyptic number.

It is an amenable number.

86845900 is an abundant number, since it is smaller than the sum of its proper divisors (101609920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86845900 is a wasteful number, since it uses less digits than its factorization.

86845900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868473 (or 868466 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 86845900 is about 9319.1147648261. The cubic root of 86845900 is about 442.8429889932.

The spelling of 86845900 in words is "eighty-six million, eight hundred forty-five thousand, nine hundred".

Divisors: 1 2 4 5 10 20 25 50 100 868459 1736918 3473836 4342295 8684590 17369180 21711475 43422950 86845900