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30011057 = 41838819
BaseRepresentation
bin111001001111…
…0111010110001
32002110201102122
41302132322301
530140323212
62551124025
7513042536
oct162367261
962421378
1030011057
1115a3882a
12a073615
1362aa02b
143db2d8d
15297c272
hex1c9eeb1

30011057 has 8 divisors (see below), whose sum is σ = 31116960. Its totient is φ = 28923040.

The previous prime is 30011053. The next prime is 30011063. The reversal of 30011057 is 75011003.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30011057 - 22 = 30011053 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30011053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1007 + ... + 7812.

It is an arithmetic number, because the mean of its divisors is an integer number (3889620).

Almost surely, 230011057 is an apocalyptic number.

It is an amenable number.

30011057 is a deficient number, since it is larger than the sum of its proper divisors (1105903).

30011057 is an equidigital number, since it uses as much as digits as its factorization.

30011057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8943.

The product of its (nonzero) digits is 105, while the sum is 17.

The square root of 30011057 is about 5478.2348434509. The cubic root of 30011057 is about 310.7614199840.

The spelling of 30011057 in words is "thirty million, eleven thousand, fifty-seven".

Divisors: 1 41 83 3403 8819 361579 731977 30011057