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86116628 = 221317611597
BaseRepresentation
bin1010010001000…
…00100100010100
320000001011210202
411020200210110
5134021213003
612313440032
72063656613
oct510404424
9200034722
1086116628
1144679774
1224a10018
1314ac24b0
14b61987a
157861088
hex5220914

86116628 has 48 divisors (see below), whose sum is σ = 174770064. Its totient is φ = 36771840.

The previous prime is 86116627. The next prime is 86116637. The reversal of 86116628 is 82661168.

It can be written as a sum of positive squares in 8 ways, for example, as 20539024 + 65577604 = 4532^2 + 8098^2 .

It is a junction number, because it is equal to n+sod(n) for n = 86116591 and 86116600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86116621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53126 + ... + 54722.

It is an arithmetic number, because the mean of its divisors is an integer number (3641043).

Almost surely, 286116628 is an apocalyptic number.

It is an amenable number.

86116628 is an abundant number, since it is smaller than the sum of its proper divisors (88653436).

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

86116628 is a wasteful number, since it uses less digits than its factorization.

86116628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1692 (or 1690 counting only the distinct ones).

The product of its digits is 27648, while the sum is 38.

The square root of 86116628 is about 9279.9045253709. The cubic root of 86116628 is about 441.5999396682.

The spelling of 86116628 in words is "eighty-six million, one hundred sixteen thousand, six hundred twenty-eight".

Divisors: 1 2 4 13 17 26 34 52 61 68 122 221 244 442 793 884 1037 1586 1597 2074 3172 3194 4148 6388 13481 20761 26962 27149 41522 53924 54298 83044 97417 108596 194834 352937 389668 705874 1266421 1411748 1656089 2532842 3312178 5065684 6624356 21529157 43058314 86116628