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86883028 = 221011091973
BaseRepresentation
bin1010010110110…
…11101011010100
320001111010002221
411023123223110
5134220224103
612342112124
72103331201
oct513335324
9201433087
1086883028
1145052561
122511b644
131500029b
14b778ca8
1579631bd
hex52dbad4

86883028 has 24 divisors (see below), whose sum is σ = 155037960. Its totient is φ = 42595200.

The previous prime is 86883023. The next prime is 86883031. The reversal of 86883028 is 82038868.

It can be written as a sum of positive squares in 4 ways, for example, as 30603024 + 56280004 = 5532^2 + 7502^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86883023) 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, 43050 + ... + 45022.

It is an arithmetic number, because the mean of its divisors is an integer number (6459915).

Almost surely, 286883028 is an apocalyptic number.

It is an amenable number.

86883028 is a deficient number, since it is larger than the sum of its proper divisors (68154932).

86883028 is a wasteful number, since it uses less digits than its factorization.

86883028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2187 (or 2185 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 43.

The square root of 86883028 is about 9321.1065866666. The cubic root of 86883028 is about 442.9060874699.

The spelling of 86883028 in words is "eighty-six million, eight hundred eighty-three thousand, twenty-eight".

Divisors: 1 2 4 101 109 202 218 404 436 1973 3946 7892 11009 22018 44036 199273 215057 398546 430114 797092 860228 21720757 43441514 86883028