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30073113 = 34727577
BaseRepresentation
bin111001010111…
…0000100011001
32002120212120000
41302232010121
530144314423
62552323213
7513421500
oct162560431
962525500
1030073113
1115a80414
12a0a3509
1362cc355
143dcb837
152990843
hex1cae119

30073113 has 30 divisors (see below), whose sum is σ = 52265466. Its totient is φ = 17182368.

The previous prime is 30073103. The next prime is 30073133. The reversal of 30073113 is 31137003.

It can be written as a sum of positive squares in only one way, i.e., 16257024 + 13816089 = 4032^2 + 3717^2 .

It is not a de Polignac number, because 30073113 - 24 = 30073097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30073103) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 181 + ... + 7757.

Almost surely, 230073113 is an apocalyptic number.

It is an amenable number.

30073113 is a deficient number, since it is larger than the sum of its proper divisors (22192353).

30073113 is an equidigital number, since it uses as much as digits as its factorization.

30073113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7603 (or 7587 counting only the distinct ones).

The product of its (nonzero) digits is 189, while the sum is 18.

The square root of 30073113 is about 5483.8957867560. The cubic root of 30073113 is about 310.9754670253.

The spelling of 30073113 in words is "thirty million, seventy-three thousand, one hundred thirteen".

Divisors: 1 3 7 9 21 27 49 63 81 147 189 441 567 1323 3969 7577 22731 53039 68193 159117 204579 371273 477351 613737 1113819 1432053 3341457 4296159 10024371 30073113