Base | Representation |
---|---|
bin | 111001100111… |
… | …1101111011000 |
3 | 2002211212202010 |
4 | 1303033233120 |
5 | 30213223112 |
6 | 2555305520 |
7 | 514534545 |
oct | 163175730 |
9 | 62755663 |
10 | 30211032 |
11 | 16064aa5 |
12 | a14b2a0 |
13 | 634a067 |
14 | 4025bcc |
15 | 29bb63c |
hex | 1ccfbd8 |
30211032 has 32 divisors (see below), whose sum is σ = 75775680. Its totient is φ = 10037280.
The previous prime is 30211031. The next prime is 30211061. The reversal of 30211032 is 23011203.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a junction number, because it is equal to n+sod(n) for n = 30210999 and 30211017.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30211031) 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, 6043 + ... + 9845.
It is an arithmetic number, because the mean of its divisors is an integer number (2367990).
Almost surely, 230211032 is an apocalyptic number.
It is an amenable number.
30211032 is an abundant number, since it is smaller than the sum of its proper divisors (45564648).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30211032 is a wasteful number, since it uses less digits than its factorization.
30211032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4143 (or 4139 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 12.
The square root of 30211032 is about 5496.4563129347. The cubic root of 30211032 is about 311.4501327351.
Adding to 30211032 its reverse (23011203), we get a palindrome (53222235).
The spelling of 30211032 in words is "thirty million, two hundred eleven thousand, thirty-two".
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