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30166057 = 47661971
BaseRepresentation
bin111001100010…
…0110000101001
32002202121001101
41303010300221
530210303212
62554321401
7514256455
oct163046051
962677041
1030166057
1116034229
12a129261
13633274c
144013665
1529ad157
hex1cc4c29

30166057 has 8 divisors (see below), whose sum is σ = 30886272. Its totient is φ = 29449200.

The previous prime is 30166049. The next prime is 30166099. The reversal of 30166057 is 75066103.

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

It is a cyclic number.

It is not a de Polignac number, because 30166057 - 23 = 30166049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30166657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30582 + ... + 31552.

It is an arithmetic number, because the mean of its divisors is an integer number (3860784).

Almost surely, 230166057 is an apocalyptic number.

It is an amenable number.

30166057 is a deficient number, since it is larger than the sum of its proper divisors (720215).

30166057 is an equidigital number, since it uses as much as digits as its factorization.

30166057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1679.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 30166057 is about 5492.3635167385. The cubic root of 30166057 is about 311.2955046021.

The spelling of 30166057 in words is "thirty million, one hundred sixty-six thousand, fifty-seven".

Divisors: 1 47 661 971 31067 45637 641831 30166057