Base | Representation |
---|---|
bin | 1011111101111… |
… | …0000000000111 |
3 | 10111110001000110 |
4 | 2333132000013 |
5 | 100322124031 |
6 | 4551444103 |
7 | 1146425334 |
oct | 277360007 |
9 | 114401013 |
10 | 50192391 |
11 | 26372317 |
12 | 14986633 |
13 | a524b52 |
14 | 694798b |
15 | 4616c46 |
hex | 2fde007 |
50192391 has 8 divisors (see below), whose sum is σ = 67840240. Its totient is φ = 33003072.
The previous prime is 50192383. The next prime is 50192393. The reversal of 50192391 is 19329105.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 50192391 - 23 = 50192383 is a prime.
It is a super-2 number, since 2×501923912 = 5038552228593762, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (50192393) 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, 114376 + ... + 114813.
It is an arithmetic number, because the mean of its divisors is an integer number (8480030).
Almost surely, 250192391 is an apocalyptic number.
50192391 is a deficient number, since it is larger than the sum of its proper divisors (17647849).
50192391 is a wasteful number, since it uses less digits than its factorization.
50192391 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 229265.
The product of its (nonzero) digits is 2430, while the sum is 30.
The square root of 50192391 is about 7084.6588485262. The cubic root of 50192391 is about 368.8750614397.
The spelling of 50192391 in words is "fifty million, one hundred ninety-two thousand, three hundred ninety-one".
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