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102986065 = 5713223757
BaseRepresentation
bin1100010001101…
…11000101010001
321011210020022201
412020313011101
5202331023230
614115203201
72360236630
oct610670521
9234706281
10102986065
1153150a56
122a5a6501
131844aa00
14d96b517
1590945ca
hex6237151

102986065 has 48 divisors (see below), whose sum is σ = 159798528. Its totient is φ = 62270208.

The previous prime is 102986057. The next prime is 102986087. The reversal of 102986065 is 560689201.

It is not a de Polignac number, because 102986065 - 23 = 102986057 is a prime.

It is a super-2 number, since 2×1029860652 = 21212259168368450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 135667 + ... + 136423.

It is an arithmetic number, because the mean of its divisors is an integer number (3329136).

Almost surely, 2102986065 is an apocalyptic number.

It is an amenable number.

102986065 is a deficient number, since it is larger than the sum of its proper divisors (56812463).

102986065 is a wasteful number, since it uses less digits than its factorization.

102986065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818 (or 805 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 102986065 is about 10148.2050136958. The cubic root of 102986065 is about 468.7336743351.

The spelling of 102986065 in words is "one hundred two million, nine hundred eighty-six thousand, sixty-five".

Divisors: 1 5 7 13 23 35 65 91 115 161 169 299 455 757 805 845 1183 1495 2093 3785 3887 5299 5915 9841 10465 17411 19435 26495 27209 49205 68887 87055 121877 127933 136045 226343 344435 609385 639665 895531 1131715 1584401 2942459 4477655 7922005 14712295 20597213 102986065