Base | Representation |
---|---|
bin | 111001101101… |
… | …1110010010100 |
3 | 2002221101102112 |
4 | 1303123302110 |
5 | 30221312442 |
6 | 3000330152 |
7 | 515131442 |
oct | 163336224 |
9 | 62841375 |
10 | 30260372 |
11 | 1609907a |
12 | a173958 |
13 | 636665c |
14 | 4039b92 |
15 | 29cb082 |
hex | 1cdbc94 |
30260372 has 6 divisors (see below), whose sum is σ = 52955658. Its totient is φ = 15130184.
The previous prime is 30260359. The next prime is 30260393. The reversal of 30260372 is 27306203.
It can be written as a sum of positive squares in only one way, i.e., 25260676 + 4999696 = 5026^2 + 2236^2 .
It is a super-2 number, since 2×302603722 = 1831380227156768, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3782543 + ... + 3782550.
It is an arithmetic number, because the mean of its divisors is an integer number (8825943).
Almost surely, 230260372 is an apocalyptic number.
It is an amenable number.
30260372 is a deficient number, since it is larger than the sum of its proper divisors (22695286).
30260372 is a wasteful number, since it uses less digits than its factorization.
30260372 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7565097 (or 7565095 counting only the distinct ones).
The product of its (nonzero) digits is 1512, while the sum is 23.
The square root of 30260372 is about 5500.9428282795. The cubic root of 30260372 is about 311.6195917093.
Adding to 30260372 its reverse (27306203), we get a palindrome (57566575).
The spelling of 30260372 in words is "thirty million, two hundred sixty thousand, three hundred seventy-two".
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