Base | Representation |
---|---|
bin | 10111011001100… |
… | …000001011111001 |
3 | 1000100200012000011 |
4 | 113121200023321 |
5 | 1300443431101 |
6 | 102541541521 |
7 | 12504500611 |
oct | 2731401371 |
9 | 1010605004 |
10 | 392561401 |
11 | 191655211 |
12 | ab5748a1 |
13 | 6343886b |
14 | 3a1c9a41 |
15 | 246e4751 |
hex | 176602f9 |
392561401 has 8 divisors (see below), whose sum is σ = 422843904. Its totient is φ = 363380160.
The previous prime is 392561383. The next prime is 392561417. The reversal of 392561401 is 104165293.
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-392561401 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (31).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (392561441) 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, 274576 + ... + 276001.
It is an arithmetic number, because the mean of its divisors is an integer number (52855488).
Almost surely, 2392561401 is an apocalyptic number.
392561401 is a gapful number since it is divisible by the number (31) formed by its first and last digit.
It is an amenable number.
392561401 is a deficient number, since it is larger than the sum of its proper divisors (30282503).
392561401 is a wasteful number, since it uses less digits than its factorization.
392561401 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 550631.
The product of its (nonzero) digits is 6480, while the sum is 31.
The square root of 392561401 is about 19813.1623170053. The cubic root of 392561401 is about 732.2103525422.
The spelling of 392561401 in words is "three hundred ninety-two million, five hundred sixty-one thousand, four hundred one".
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