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214480428 = 22323777103
BaseRepresentation
bin11001100100010…
…11011000101100
3112221120201211120
430302023120230
5414401333203
633141020540
75213024241
oct1462133054
9487521746
10214480428
11100083358
125b9b4750
13355872c6
14206b15c8
1513c69b53
hexcc8b62c

214480428 has 24 divisors (see below), whose sum is σ = 522213888. Its totient is φ = 68384976.

The previous prime is 214480403. The next prime is 214480439. The reversal of 214480428 is 824084412.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 388276 + ... + 388827.

It is an arithmetic number, because the mean of its divisors is an integer number (21758912).

Almost surely, 2214480428 is an apocalyptic number.

It is an amenable number.

214480428 is an abundant number, since it is smaller than the sum of its proper divisors (307733460).

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

214480428 is a wasteful number, since it uses less digits than its factorization.

214480428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777133 (or 777131 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 33.

The square root of 214480428 is about 14645.1503235713. The cubic root of 214480428 is about 598.5896764655.

The spelling of 214480428 in words is "two hundred fourteen million, four hundred eighty thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 777103 1554206 2331309 3108412 4662618 9325236 17873369 35746738 53620107 71493476 107240214 214480428