Base | Representation |
---|---|
bin | 111001011100… |
… | …0001010000000 |
3 | 2002122222020100 |
4 | 1302320022000 |
5 | 30202130212 |
6 | 2553242400 |
7 | 513653115 |
oct | 162701200 |
9 | 62588210 |
10 | 30114432 |
11 | 15aa9467 |
12 | a103400 |
13 | 63150ba |
14 | 3ddc90c |
15 | 299cbdc |
hex | 1cb8280 |
30114432 has 48 divisors (see below), whose sum is σ = 86660730. Its totient is φ = 10037760.
The previous prime is 30114431. The next prime is 30114433. The reversal of 30114432 is 23441103.
It is an interprime number because it is at equal distance from previous prime (30114431) and next prime (30114433).
It can be written as a sum of positive squares in only one way, i.e., 23270976 + 6843456 = 4824^2 + 2616^2 .
It is a tau number, because it is divible by the number of its divisors (48).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (30114431) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11919 + ... + 14222.
Almost surely, 230114432 is an apocalyptic number.
30114432 is a gapful number since it is divisible by the number (32) formed by its first and last digit.
It is an amenable number.
30114432 is an abundant number, since it is smaller than the sum of its proper divisors (56546298).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30114432 is a wasteful number, since it uses less digits than its factorization.
30114432 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26161 (or 26146 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
The square root of 30114432 is about 5487.6617971592. The cubic root of 30114432 is about 311.1178235891.
Adding to 30114432 its reverse (23441103), we get a palindrome (53555535).
The spelling of 30114432 in words is "thirty million, one hundred fourteen thousand, four hundred thirty-two".
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