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30046347 = 3231107693
BaseRepresentation
bin111001010011…
…1100010001011
32002112111211200
41302213202023
530142440342
62551555243
7513250452
oct162474213
962474750
1030046347
1115a622a1
12a08bb23
1362c0106
143dc1b99
15298794c
hex1ca788b

30046347 has 12 divisors (see below), whose sum is σ = 44800704. Its totient is φ = 19384560.

The previous prime is 30046339. The next prime is 30046369. The reversal of 30046347 is 74364003.

It is not a de Polignac number, because 30046347 - 23 = 30046339 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30046347.

It is not an unprimeable number, because it can be changed into a prime (30046337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53568 + ... + 54125.

It is an arithmetic number, because the mean of its divisors is an integer number (3733392).

Almost surely, 230046347 is an apocalyptic number.

30046347 is a deficient number, since it is larger than the sum of its proper divisors (14754357).

30046347 is a wasteful number, since it uses less digits than its factorization.

30046347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107730 (or 107727 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 27.

The square root of 30046347 is about 5481.4548251354. The cubic root of 30046347 is about 310.8831803817.

The spelling of 30046347 in words is "thirty million, forty-six thousand, three hundred forty-seven".

Divisors: 1 3 9 31 93 279 107693 323079 969237 3338483 10015449 30046347