Search a number
-
+
30564173 = 291676311
BaseRepresentation
bin111010010010…
…1111101001101
32010111211011102
41310211331031
530311023143
63011032445
7520535243
oct164457515
963454142
1030564173
1116286352
12a29b725
136441a13
1440b8793
152a3b0b8
hex1d25f4d

30564173 has 8 divisors (see below), whose sum is σ = 31812480. Its totient is φ = 29328880.

The previous prime is 30564143. The next prime is 30564187. The reversal of 30564173 is 37146503.

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 30564173 - 210 = 30563149 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30564143) 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, 1688 + ... + 7998.

It is an arithmetic number, because the mean of its divisors is an integer number (3976560).

Almost surely, 230564173 is an apocalyptic number.

It is an amenable number.

30564173 is a deficient number, since it is larger than the sum of its proper divisors (1248307).

30564173 is a wasteful number, since it uses less digits than its factorization.

30564173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6507.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 30564173 is about 5528.4874061537. The cubic root of 30564173 is about 312.6589629648.

The spelling of 30564173 in words is "thirty million, five hundred sixty-four thousand, one hundred seventy-three".

Divisors: 1 29 167 4843 6311 183019 1053937 30564173