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30032938 = 2132414793
BaseRepresentation
bin111001010010…
…0010000101010
32002111211110001
41302210100222
530142023223
62551413214
7513163405
oct162442052
962454401
1030032938
1115a53211
12a08420a
1362b6c90
143dbad3c
1529839ad
hex1ca442a

30032938 has 16 divisors (see below), whose sum is σ = 48726216. Its totient is φ = 13800960.

The previous prime is 30032921. The next prime is 30032941. The reversal of 30032938 is 83923003.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 28164249 + 1868689 = 5307^2 + 1367^2 .

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, 3870 + ... + 8662.

Almost surely, 230032938 is an apocalyptic number.

30032938 is a deficient number, since it is larger than the sum of its proper divisors (18693278).

30032938 is a wasteful number, since it uses less digits than its factorization.

30032938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5049.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 30032938 is about 5480.2315644505. The cubic root of 30032938 is about 310.8369268073.

The spelling of 30032938 in words is "thirty million, thirty-two thousand, nine hundred thirty-eight".

Divisors: 1 2 13 26 241 482 3133 4793 6266 9586 62309 124618 1155113 2310226 15016469 30032938