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214421344 = 2561109847
BaseRepresentation
bin11001100011111…
…00111101100000
3112221110201210021
430301330331200
5414342440334
633135443224
75212360054
oct1461747540
9487421707
10214421344
11100042a25
125b986514
1335566447
1420697c64
1513c573b4
hexcc7cf60

214421344 has 24 divisors (see below), whose sum is σ = 429066288. Its totient is φ = 105452160.

The previous prime is 214421329. The next prime is 214421351. The reversal of 214421344 is 443124412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52972 + ... + 56875.

It is an arithmetic number, because the mean of its divisors is an integer number (17877762).

Almost surely, 2214421344 is an apocalyptic number.

It is an amenable number.

214421344 is an abundant number, since it is smaller than the sum of its proper divisors (214644944).

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

214421344 is a wasteful number, since it uses less digits than its factorization.

214421344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109918 (or 109910 counting only the distinct ones).

The product of its digits is 3072, while the sum is 25.

The square root of 214421344 is about 14643.1329980985. The cubic root of 214421344 is about 598.5347059166.

Adding to 214421344 its reverse (443124412), we get a palindrome (657545756).

The spelling of 214421344 in words is "two hundred fourteen million, four hundred twenty-one thousand, three hundred forty-four".

Divisors: 1 2 4 8 16 32 61 122 244 488 976 1952 109847 219694 439388 878776 1757552 3515104 6700667 13401334 26802668 53605336 107210672 214421344