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7430030 = 252413083
BaseRepresentation
bin11100010101111110001110
3111222111002022
4130111332032
53400230110
6423130142
7120103616
oct34257616
914874068
107430030
114215323
1225a3952
131701b8a
14db5a46
159bb755
hex715f8e

7430030 has 16 divisors (see below), whose sum is σ = 13433904. Its totient is φ = 2958720.

The previous prime is 7430023. The next prime is 7430039. The reversal of 7430030 is 300347.

It is a junction number, because it is equal to n+sod(n) for n = 7429990 and 7430008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7430039) 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, 869 + ... + 3951.

It is an arithmetic number, because the mean of its divisors is an integer number (839619).

Almost surely, 27430030 is an apocalyptic number.

7430030 is a deficient number, since it is larger than the sum of its proper divisors (6003874).

7430030 is a wasteful number, since it uses less digits than its factorization.

7430030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3331.

The product of its (nonzero) digits is 252, while the sum is 17.

The square root of 7430030 is about 2725.8081370485. The cubic root of 7430030 is about 195.1327607871.

Adding to 7430030 its reverse (300347), we get a palindrome (7730377).

The spelling of 7430030 in words is "seven million, four hundred thirty thousand, thirty".

Divisors: 1 2 5 10 241 482 1205 2410 3083 6166 15415 30830 743003 1486006 3715015 7430030