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1086089069 = 1383545313
BaseRepresentation
bin100000010111100…
…0110011101101101
32210200200001010002
41000233012131231
54211014322234
6255434354045
735625414302
oct10057063555
92720601102
101086089069
1150808387a
1226388b925
1314401cc70
14a435b0a9
156553927e
hex40bc676d

1086089069 has 4 divisors (see below), whose sum is σ = 1169634396. Its totient is φ = 1002543744.

The previous prime is 1086089041. The next prime is 1086089071. The reversal of 1086089069 is 9609806801.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 186868900 + 899220169 = 13670^2 + 29987^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1086089069 is a prime.

It is a super-2 number, since 2×10860890692 = 2359178931602573522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1086089099) 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, 41772644 + ... + 41772669.

It is an arithmetic number, because the mean of its divisors is an integer number (292408599).

Almost surely, 21086089069 is an apocalyptic number.

It is an amenable number.

1086089069 is a deficient number, since it is larger than the sum of its proper divisors (83545327).

1086089069 is an equidigital number, since it uses as much as digits as its factorization.

1086089069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83545326.

The product of its (nonzero) digits is 186624, while the sum is 47.

The square root of 1086089069 is about 32955.8654718701. The cubic root of 1086089069 is about 1027.9101336680.

The spelling of 1086089069 in words is "one billion, eighty-six million, eighty-nine thousand, sixty-nine".

Divisors: 1 13 83545313 1086089069