Base | Representation |
---|---|
bin | 10101111101011… |
… | …001010101010001 |
3 | 221200020110212001 |
4 | 111331121111101 |
5 | 1223303303311 |
6 | 100320234001 |
7 | 12062325235 |
oct | 2575312521 |
9 | 850213761 |
10 | 368416081 |
11 | 179a63500 |
12 | a346b901 |
13 | 5b4336a7 |
14 | 36d025c5 |
15 | 225254c1 |
hex | 15f59551 |
368416081 has 12 divisors (see below), whose sum is σ = 405586692. Its totient is φ = 334400000.
The previous prime is 368416079. The next prime is 368416109. The reversal of 368416081 is 180614863.
It can be written as a sum of positive squares in 2 ways, for example, as 5856400 + 362559681 = 2420^2 + 19041^2 .
It is not a de Polignac number, because 368416081 - 21 = 368416079 is a prime.
It is a super-2 number, since 2×3684160812 = 271460817478797122, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 368416081.
It is not an unprimeable number, because it can be changed into a prime (368416021) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90081 + ... + 94081.
It is an arithmetic number, because the mean of its divisors is an integer number (33798891).
Almost surely, 2368416081 is an apocalyptic number.
It is an amenable number.
368416081 is a deficient number, since it is larger than the sum of its proper divisors (37170611).
368416081 is a wasteful number, since it uses less digits than its factorization.
368416081 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4784 (or 4773 counting only the distinct ones).
The product of its (nonzero) digits is 27648, while the sum is 37.
The square root of 368416081 is about 19194.1678902733. The cubic root of 368416081 is about 716.8795518516.
The spelling of 368416081 in words is "three hundred sixty-eight million, four hundred sixteen thousand, eighty-one".
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