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214417450 = 25213329873
BaseRepresentation
bin11001100011111…
…00000000101010
3112221110112110001
430301330000222
5414342324300
633135413214
75212342522
oct1461740052
9487415401
10214417450
11100040005
125b98420a
1335564740
1420696682
1513c5616a
hexcc7c02a

214417450 has 24 divisors (see below), whose sum is σ = 429495948. Its totient is φ = 79169280.

The previous prime is 214417439. The next prime is 214417453. The reversal of 214417450 is 54714412.

It is a Cunningham number, because it is equal to 146432+1.

It can be written as a sum of positive squares in 6 ways, for example, as 2627641 + 211789809 = 1621^2 + 14553^2 .

It is not an unprimeable number, because it can be changed into a prime (214417453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 164287 + ... + 165586.

Almost surely, 2214417450 is an apocalyptic number.

214417450 is an abundant number, since it is smaller than the sum of its proper divisors (215078498).

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

214417450 is a wasteful number, since it uses less digits than its factorization.

214417450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329898 (or 329893 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 214417450 is about 14643.0000341460. Note that the first 4 decimals coincide. The cubic root of 214417450 is about 598.5310826638.

The spelling of 214417450 in words is "two hundred fourteen million, four hundred seventeen thousand, four hundred fifty".

Divisors: 1 2 5 10 13 25 26 50 65 130 325 650 329873 659746 1649365 3298730 4288349 8246825 8576698 16493650 21441745 42883490 107208725 214417450