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214520304 = 24323319181
BaseRepresentation
bin11001100100101…
…01000111110000
3112221122202112110
430302111013300
5414404122204
633141525320
75213251425
oct1462250760
9487582473
10214520304
11100100309
125ba13840
133559c4bb
14206c1d4c
1513c76889
hexcc951f0

214520304 has 40 divisors (see below), whose sum is σ = 556584912. Its totient is φ = 71196160.

The previous prime is 214520291. The next prime is 214520321. The reversal of 214520304 is 403025412.

It is a congruent number.

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, 1594 + ... + 20774.

Almost surely, 2214520304 is an apocalyptic number.

214520304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

214520304 is an abundant number, since it is smaller than the sum of its proper divisors (342064608).

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

214520304 is a wasteful number, since it uses less digits than its factorization.

214520304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19425 (or 19419 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 214520304 is about 14646.5116666051. The cubic root of 214520304 is about 598.6267705771.

Adding to 214520304 its reverse (403025412), we get a palindrome (617545716).

The spelling of 214520304 in words is "two hundred fourteen million, five hundred twenty thousand, three hundred four".

Divisors: 1 2 3 4 6 8 12 16 24 48 233 466 699 932 1398 1864 2796 3728 5592 11184 19181 38362 57543 76724 115086 153448 230172 306896 460344 920688 4469173 8938346 13407519 17876692 26815038 35753384 53630076 71506768 107260152 214520304