Base | Representation |
---|---|
bin | 10110100100010… |
… | …010101010001001 |
3 | 222101102111112001 |
4 | 112210102222021 |
5 | 1233411043421 |
6 | 101322551001 |
7 | 12245103061 |
oct | 2644225211 |
9 | 871374461 |
10 | 378612361 |
11 | 184798086 |
12 | a6968461 |
13 | 605936aa |
14 | 383d83a1 |
15 | 2338b691 |
hex | 16912a89 |
378612361 has 8 divisors (see below), whose sum is σ = 397260864. Its totient is φ = 360146160.
The previous prime is 378612347. The next prime is 378612391. The reversal of 378612361 is 163216873.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-378612361 is a prime.
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 378612361.
It is not an unprimeable number, because it can be changed into a prime (378612391) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41311 + ... + 49636.
It is an arithmetic number, because the mean of its divisors is an integer number (49657608).
Almost surely, 2378612361 is an apocalyptic number.
It is an amenable number.
378612361 is a deficient number, since it is larger than the sum of its proper divisors (18648503).
378612361 is a wasteful number, since it uses less digits than its factorization.
378612361 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 91151.
The product of its digits is 36288, while the sum is 37.
The square root of 378612361 is about 19457.9639479571. The cubic root of 378612361 is about 723.4329122866.
The spelling of 378612361 in words is "three hundred seventy-eight million, six hundred twelve thousand, three hundred sixty-one".
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