Base | Representation |
---|---|
bin | 111001100110… |
… | …0111011111111 |
3 | 2002211021222220 |
4 | 1303030323333 |
5 | 30212341201 |
6 | 2555140423 |
7 | 514456224 |
oct | 163147377 |
9 | 62737886 |
10 | 30199551 |
11 | 16057408 |
12 | a144713 |
13 | 6344a75 |
14 | 402194b |
15 | 29b8036 |
hex | 1ccceff |
30199551 has 8 divisors (see below), whose sum is σ = 40320384. Its totient is φ = 20105880.
The previous prime is 30199541. The next prime is 30199553. The reversal of 30199551 is 15599103.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30199551 - 27 = 30199423 is a prime.
It is a plaindrome in base 16.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30199553) 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, 4035 + ... + 8756.
It is an arithmetic number, because the mean of its divisors is an integer number (5040048).
Almost surely, 230199551 is an apocalyptic number.
30199551 is a deficient number, since it is larger than the sum of its proper divisors (10120833).
30199551 is a wasteful number, since it uses less digits than its factorization.
30199551 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13581.
The product of its (nonzero) digits is 6075, while the sum is 33.
The square root of 30199551 is about 5495.4118135041. The cubic root of 30199551 is about 311.4106746101.
The spelling of 30199551 in words is "thirty million, one hundred ninety-nine thousand, five hundred fifty-one".
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