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30426663 = 310142221
BaseRepresentation
bin111010000010…
…0011000100111
32010020211112110
41310010120213
530242123123
63004052103
7516423321
oct164043047
963224473
1030426663
11161a2003
12a234033
1363c4257
144080611
152a10493
hex1d04627

30426663 has 4 divisors (see below), whose sum is σ = 40568888. Its totient is φ = 20284440.

The previous prime is 30426661. The next prime is 30426667. The reversal of 30426663 is 36662403.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 30426663 - 21 = 30426661 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30426663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30426661) 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 3 ways as a sum of consecutive naturals, for example, 5071108 + ... + 5071113.

It is an arithmetic number, because the mean of its divisors is an integer number (10142222).

Almost surely, 230426663 is an apocalyptic number.

30426663 is a deficient number, since it is larger than the sum of its proper divisors (10142225).

30426663 is a wasteful number, since it uses less digits than its factorization.

30426663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10142224.

The product of its (nonzero) digits is 15552, while the sum is 30.

The square root of 30426663 is about 5516.0368925525. The cubic root of 30426663 is about 312.1893676999.

The spelling of 30426663 in words is "thirty million, four hundred twenty-six thousand, six hundred sixty-three".

Divisors: 1 3 10142221 30426663