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30426804 = 22321783599
BaseRepresentation
bin111010000010…
…0011010110100
32010020211201200
41310010122310
530242124204
63004052500
7516423612
oct164043264
963224650
1030426804
11161a2121
12a234130
1363c4335
1440806b2
152a10539
hex1d046b4

30426804 has 72 divisors (see below), whose sum is σ = 82555200. Its totient is φ = 9414912.

The previous prime is 30426793. The next prime is 30426811. The reversal of 30426804 is 40862403.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 50497 + ... + 51095.

It is an arithmetic number, because the mean of its divisors is an integer number (1146600).

Almost surely, 230426804 is an apocalyptic number.

30426804 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30426804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41277600).

30426804 is an abundant number, since it is smaller than the sum of its proper divisors (52128396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30426804 is a wasteful number, since it uses less digits than its factorization.

30426804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709 (or 704 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 30426804 is about 5516.0496734529. The cubic root of 30426804 is about 312.1898499374.

The spelling of 30426804 in words is "thirty million, four hundred twenty-six thousand, eight hundred four".

Divisors: 1 2 3 4 6 9 12 17 18 34 36 51 68 83 102 153 166 204 249 306 332 498 599 612 747 996 1198 1411 1494 1797 2396 2822 2988 3594 4233 5391 5644 7188 8466 10183 10782 12699 16932 20366 21564 25398 30549 40732 49717 50796 61098 91647 99434 122196 149151 183294 198868 298302 366588 447453 596604 845189 894906 1690378 1789812 2535567 3380756 5071134 7606701 10142268 15213402 30426804