Base | Representation |
---|---|
bin | 111001101000… |
… | …1101101110100 |
3 | 2002212021211211 |
4 | 1303101231310 |
5 | 30214002444 |
6 | 2555411204 |
7 | 514600255 |
oct | 163215564 |
9 | 62767754 |
10 | 30219124 |
11 | 16070091 |
12 | a153b04 |
13 | 6350950 |
14 | 4028b2c |
15 | 29bdc34 |
hex | 1cd1b74 |
30219124 has 12 divisors (see below), whose sum is σ = 56951524. Its totient is φ = 13947264.
The previous prime is 30219113. The next prime is 30219157. The reversal of 30219124 is 42191203.
It can be written as a sum of positive squares in 2 ways, for example, as 8596624 + 21622500 = 2932^2 + 4650^2 .
It is a junction number, because it is equal to n+sod(n) for n = 30219095 and 30219104.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 290517 + ... + 290620.
Almost surely, 230219124 is an apocalyptic number.
It is an amenable number.
30219124 is a deficient number, since it is larger than the sum of its proper divisors (26732400).
30219124 is a wasteful number, since it uses less digits than its factorization.
30219124 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 581154 (or 581152 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 22.
The square root of 30219124 is about 5497.1923742944. The cubic root of 30219124 is about 311.4779374732.
The spelling of 30219124 in words is "thirty million, two hundred nineteen thousand, one hundred twenty-four".
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