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214421308 = 22194168813
BaseRepresentation
bin11001100011111…
…00111100111100
3112221110201201221
430301330330330
5414342440213
633135443124
75212360003
oct1461747474
9487421657
10214421308
111000429a2
125b9864a4
133556641a
1420697c3a
1513c5738d
hexcc7cf3c

214421308 has 24 divisors (see below), whose sum is σ = 404626320. Its totient is φ = 99089280.

The previous prime is 214421293. The next prime is 214421321. The reversal of 214421308 is 803124412.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31291 + ... + 37522.

It is an arithmetic number, because the mean of its divisors is an integer number (16859430).

Almost surely, 2214421308 is an apocalyptic number.

It is an amenable number.

214421308 is a deficient number, since it is larger than the sum of its proper divisors (190205012).

214421308 is a wasteful number, since it uses less digits than its factorization.

214421308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68877 (or 68875 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 214421308 is about 14643.1317688533. The cubic root of 214421308 is about 598.5346724199.

The spelling of 214421308 in words is "two hundred fourteen million, four hundred twenty-one thousand, three hundred eight".

Divisors: 1 2 4 19 38 41 76 82 164 779 1558 3116 68813 137626 275252 1307447 2614894 2821333 5229788 5642666 11285332 53605327 107210654 214421308