Base | Representation |
---|---|
bin | 111001100111… |
… | …1110100010110 |
3 | 2002211220011220 |
4 | 1303033310112 |
5 | 30213230400 |
6 | 2555311210 |
7 | 514535511 |
oct | 163176426 |
9 | 62756156 |
10 | 30211350 |
11 | 16065264 |
12 | a14b506 |
13 | 634a250 |
14 | 4025d78 |
15 | 29bb7a0 |
hex | 1ccfd16 |
30211350 has 48 divisors (see below), whose sum is σ = 80692752. Its totient is φ = 7436160.
The previous prime is 30211339. The next prime is 30211361. The reversal of 30211350 is 5311203.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (30211339) and next prime (30211361).
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5797 + ... + 9696.
It is an arithmetic number, because the mean of its divisors is an integer number (1681099).
Almost surely, 230211350 is an apocalyptic number.
30211350 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
30211350 is an abundant number, since it is smaller than the sum of its proper divisors (50481402).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30211350 is a wasteful number, since it uses less digits than its factorization.
30211350 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15521 (or 15516 counting only the distinct ones).
The product of its (nonzero) digits is 90, while the sum is 15.
The square root of 30211350 is about 5496.4852405878. The cubic root of 30211350 is about 311.4512255014.
Adding to 30211350 its reverse (5311203), we get a palindrome (35522553).
It can be divided in two parts, 3021 and 1350, that added together give a triangular number (4371 = T93).
The spelling of 30211350 in words is "thirty million, two hundred eleven thousand, three hundred fifty".
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