Base | Representation |
---|---|
bin | 1100010000110… |
… | …1001011001001 |
3 | 10120210010102211 |
4 | 3010031023021 |
5 | 101131343220 |
6 | 5034225121 |
7 | 1163116615 |
oct | 304151311 |
9 | 116703384 |
10 | 51434185 |
11 | 270402a0 |
12 | 152851a1 |
13 | a86b13a |
14 | 6b8c345 |
15 | 47aeb5a |
hex | 310d2c9 |
51434185 has 8 divisors (see below), whose sum is σ = 67332096. Its totient is φ = 37406640.
The previous prime is 51434179. The next prime is 51434189. The reversal of 51434185 is 58143415.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 51434185 - 27 = 51434057 is a prime.
It is a super-2 number, since 2×514341852 = 5290950773228450, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (51434189) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 467529 + ... + 467638.
It is an arithmetic number, because the mean of its divisors is an integer number (8416512).
Almost surely, 251434185 is an apocalyptic number.
51434185 is a gapful number since it is divisible by the number (55) formed by its first and last digit.
It is an amenable number.
51434185 is a deficient number, since it is larger than the sum of its proper divisors (15897911).
51434185 is a wasteful number, since it uses less digits than its factorization.
51434185 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 935183.
The product of its digits is 9600, while the sum is 31.
The square root of 51434185 is about 7171.7630328950. The cubic root of 51434185 is about 371.8923865891.
The spelling of 51434185 in words is "fifty-one million, four hundred thirty-four thousand, one hundred eighty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.092 sec. • engine limits •