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30421302 = 235070217
BaseRepresentation
bin111010000001…
…1000100110110
32010020120011220
41310003010312
530241440202
63004011210
7516401562
oct164030466
963216156
1030421302
1116198a7a
12a230b06
1363c1992
14407c6a2
152a0dabc
hex1d03136

30421302 has 8 divisors (see below), whose sum is σ = 60842616. Its totient is φ = 10140432.

The previous prime is 30421291. The next prime is 30421333. The reversal of 30421302 is 20312403.

It is a sphenic number, since it is the product of 3 distinct primes.

30421302 is an admirable number.

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 3 ways as a sum of consecutive naturals, for example, 2535103 + ... + 2535114.

It is an arithmetic number, because the mean of its divisors is an integer number (7605327).

Almost surely, 230421302 is an apocalyptic number.

30421302 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

30421302 is a wasteful number, since it uses less digits than its factorization.

30421302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5070222.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 30421302 is about 5515.5509244318. The cubic root of 30421302 is about 312.1710313096.

Adding to 30421302 its reverse (20312403), we get a palindrome (50733705).

The spelling of 30421302 in words is "thirty million, four hundred twenty-one thousand, three hundred two".

Divisors: 1 2 3 6 5070217 10140434 15210651 30421302