Search a number
-
+
56000398 = 271394369
BaseRepresentation
bin1101010110011…
…1111110001110
310220101010002211
43111213332032
5103314003043
65320141034
71246665316
oct325477616
9126333084
1056000398
1129679a23
121690777a
13b7a963c
14761a446
154db2a9d
hex3567f8e

56000398 has 8 divisors (see below), whose sum is σ = 85183920. Its totient is φ = 27605760.

The previous prime is 56000389. The next prime is 56000401. The reversal of 56000398 is 89300065.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197043 + ... + 197326.

It is an arithmetic number, because the mean of its divisors is an integer number (10647990).

Almost surely, 256000398 is an apocalyptic number.

56000398 is a deficient number, since it is larger than the sum of its proper divisors (29183522).

56000398 is a wasteful number, since it uses less digits than its factorization.

56000398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394442.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 56000398 is about 7483.3413659942. The cubic root of 56000398 is about 382.5871429173.

The spelling of 56000398 in words is "fifty-six million, three hundred ninety-eight", and thus it is an aban number.

Divisors: 1 2 71 142 394369 788738 28000199 56000398