Base | Representation |
---|---|
bin | 111001101100… |
… | …1011000001111 |
3 | 2002220212220022 |
4 | 1303121120033 |
5 | 30221004021 |
6 | 3000212355 |
7 | 515060624 |
oct | 163313017 |
9 | 62825808 |
10 | 30250511 |
11 | 16091725 |
12 | a16a0bb |
13 | 6362015 |
14 | 403634b |
15 | 29c81ab |
hex | 1cd960f |
30250511 has 8 divisors (see below), whose sum is σ = 30626304. Its totient is φ = 29877120.
The previous prime is 30250499. The next prime is 30250529. The reversal of 30250511 is 11505203.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30250511 - 26 = 30250447 is a prime.
It is a super-2 number, since 2×302505112 = 1830186831522242, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 30250511.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30250541) 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, 39371 + ... + 40131.
It is an arithmetic number, because the mean of its divisors is an integer number (3828288).
Almost surely, 230250511 is an apocalyptic number.
30250511 is a deficient number, since it is larger than the sum of its proper divisors (375793).
30250511 is a wasteful number, since it uses less digits than its factorization.
30250511 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1201.
The product of its (nonzero) digits is 150, while the sum is 17.
The square root of 30250511 is about 5500.0464543493. The cubic root of 30250511 is about 311.5857386925.
Adding to 30250511 its reverse (11505203), we get a palindrome (41755714).
The spelling of 30250511 in words is "thirty million, two hundred fifty thousand, five hundred eleven".
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