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30426723 = 3223146989
BaseRepresentation
bin111010000010…
…0011001100011
32010020211121200
41310010121203
530242123343
63004052243
7516423435
oct164043143
963224550
1030426723
11161a2058
12a234083
1363c42a2
144080655
152a104d3
hex1d04663

30426723 has 12 divisors (see below), whose sum is σ = 45860880. Its totient is φ = 19402416.

The previous prime is 30426709. The next prime is 30426727. The reversal of 30426723 is 32762403.

It is not a de Polignac number, because 30426723 - 24 = 30426707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30426727) 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 11 ways as a sum of consecutive naturals, for example, 73288 + ... + 73701.

It is an arithmetic number, because the mean of its divisors is an integer number (3821740).

Almost surely, 230426723 is an apocalyptic number.

30426723 is a deficient number, since it is larger than the sum of its proper divisors (15434157).

30426723 is a wasteful number, since it uses less digits than its factorization.

30426723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147018 (or 147015 counting only the distinct ones).

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

The square root of 30426723 is about 5516.0423312371. The cubic root of 30426723 is about 312.1895729075.

The spelling of 30426723 in words is "thirty million, four hundred twenty-six thousand, seven hundred twenty-three".

Divisors: 1 3 9 23 69 207 146989 440967 1322901 3380747 10142241 30426723