Search a number
-
+
30246673 = 43703411
BaseRepresentation
bin111001101100…
…0011100010001
32002220200122011
41303120130101
530220343143
63000142521
7515043502
oct163303421
962820564
1030246673
1116089856
12a167a41
136360352
144034ba9
1529c6e9d
hex1cd8711

30246673 has 4 divisors (see below), whose sum is σ = 30950128. Its totient is φ = 29543220.

The previous prime is 30246617. The next prime is 30246691. The reversal of 30246673 is 37664203.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30246673 is a prime.

It is a super-2 number, since 2×302466732 = 1829722455137858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30246473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 351663 + ... + 351748.

It is an arithmetic number, because the mean of its divisors is an integer number (7737532).

Almost surely, 230246673 is an apocalyptic number.

It is an amenable number.

30246673 is a deficient number, since it is larger than the sum of its proper divisors (703455).

30246673 is an equidigital number, since it uses as much as digits as its factorization.

30246673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703454.

The product of its (nonzero) digits is 18144, while the sum is 31.

The square root of 30246673 is about 5499.6975371378. The cubic root of 30246673 is about 311.5725607703.

The spelling of 30246673 in words is "thirty million, two hundred forty-six thousand, six hundred seventy-three".

Divisors: 1 43 703411 30246673