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30054393 = 323838719
BaseRepresentation
bin111001010100…
…1011111111001
32002112220212200
41302221133321
530143220033
62552100413
7513313065
oct162513771
962486780
1030054393
1115a68346
12a094709
1362c3985
143dc4aa5
15298a013
hex1ca97f9

30054393 has 12 divisors (see below), whose sum is σ = 43530240. Its totient is φ = 19981656.

The previous prime is 30054389. The next prime is 30054421. The reversal of 30054393 is 39345003.

30054393 is a `hidden beast` number, since 30 + 0 + 543 + 93 = 666.

It is not a de Polignac number, because 30054393 - 22 = 30054389 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30054313) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 913 + ... + 7806.

It is an arithmetic number, because the mean of its divisors is an integer number (3627520).

Almost surely, 230054393 is an apocalyptic number.

It is an amenable number.

30054393 is a deficient number, since it is larger than the sum of its proper divisors (13475847).

30054393 is a wasteful number, since it uses less digits than its factorization.

30054393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9108 (or 9105 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 27.

The square root of 30054393 is about 5482.1887052527. The cubic root of 30054393 is about 310.9109279903.

Adding to 30054393 its reverse (39345003), we get a palindrome (69399396).

The spelling of 30054393 in words is "thirty million, fifty-four thousand, three hundred ninety-three".

Divisors: 1 3 9 383 1149 3447 8719 26157 78471 3339377 10018131 30054393