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30109076 = 22291132297
BaseRepresentation
bin111001011011…
…0110110010100
32002122200212222
41302312312110
530201442301
62553201512
7513631364
oct162666624
962580788
1030109076
1115aa5438
12a100298
13631282a
143dda9a4
15299b31b
hex1cb6d94

30109076 has 24 divisors (see below), whose sum is σ = 55014120. Its totient is φ = 14400512.

The previous prime is 30109039. The next prime is 30109097. The reversal of 30109076 is 67090103.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 122500 + 29986576 = 350^2 + 5476^2 .

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11960 + ... + 14256.

It is an arithmetic number, because the mean of its divisors is an integer number (2292255).

Almost surely, 230109076 is an apocalyptic number.

It is an amenable number.

30109076 is a deficient number, since it is larger than the sum of its proper divisors (24905044).

30109076 is a wasteful number, since it uses less digits than its factorization.

30109076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2443 (or 2441 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 30109076 is about 5487.1737716242. The cubic root of 30109076 is about 311.0993778833.

Adding to 30109076 its reverse (67090103), we get a palindrome (97199179).

The spelling of 30109076 in words is "thirty million, one hundred nine thousand, seventy-six".

Divisors: 1 2 4 29 58 113 116 226 452 2297 3277 4594 6554 9188 13108 66613 133226 259561 266452 519122 1038244 7527269 15054538 30109076