Base | Representation |
---|---|
bin | 111001010101… |
… | …0001001001101 |
3 | 2002120001111121 |
4 | 1302222021031 |
5 | 30143311122 |
6 | 2552120541 |
7 | 513323563 |
oct | 162521115 |
9 | 62501447 |
10 | 30057037 |
11 | 15a6a32a |
12 | a096151 |
13 | 62c4c3a |
14 | 3dc5a33 |
15 | 298abc7 |
hex | 1caa24d |
30057037 has 8 divisors (see below), whose sum is σ = 32023296. Its totient is φ = 28112832.
The previous prime is 30057029. The next prime is 30057047. The reversal of 30057037 is 73075003.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30057037 - 23 = 30057029 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30057007) 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, 2653 + ... + 8194.
It is an arithmetic number, because the mean of its divisors is an integer number (4002912).
Almost surely, 230057037 is an apocalyptic number.
It is an amenable number.
30057037 is a deficient number, since it is larger than the sum of its proper divisors (1966259).
30057037 is a wasteful number, since it uses less digits than its factorization.
30057037 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11027.
The product of its (nonzero) digits is 2205, while the sum is 25.
The square root of 30057037 is about 5482.4298445124. The cubic root of 30057037 is about 310.9200450645.
The spelling of 30057037 in words is "thirty million, fifty-seven thousand, thirty-seven".
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