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86311090 = 258631109
BaseRepresentation
bin1010010010100…
…00000010110010
320000102001120001
411021100002302
5134043423330
612321540214
72065426555
oct511200262
9200361501
1086311090
11447a1888
1224aa466a
1314b5cb68
14b66a69c
15789d9ca
hex52500b2

86311090 has 8 divisors (see below), whose sum is σ = 155359980. Its totient is φ = 34524432.

The previous prime is 86311087. The next prime is 86311097. The reversal of 86311090 is 9011368.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 82283041 + 4028049 = 9071^2 + 2007^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (86311097) 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, 4315545 + ... + 4315564.

Almost surely, 286311090 is an apocalyptic number.

86311090 is a deficient number, since it is larger than the sum of its proper divisors (69048890).

86311090 is a wasteful number, since it uses less digits than its factorization.

86311090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8631116.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 86311090 is about 9290.3762033623. The cubic root of 86311090 is about 441.9320855502.

The spelling of 86311090 in words is "eighty-six million, three hundred eleven thousand, ninety".

Divisors: 1 2 5 10 8631109 17262218 43155545 86311090