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214250009 = 534638731
BaseRepresentation
bin11001100010100…
…11001000011001
3112221011000202112
430301103020121
5414322000014
633132042105
75211044411
oct1461231031
9487130675
10214250009
11aaa36226
125b903335
133550646c
1420651641
1513c2173e
hexcc53219

214250009 has 8 divisors (see below), whose sum is σ = 218788992. Its totient is φ = 209729520.

The previous prime is 214249949. The next prime is 214250041. The reversal of 214250009 is 900052412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 214250009 - 28 = 214249753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214250089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20174 + ... + 28904.

It is an arithmetic number, because the mean of its divisors is an integer number (27348624).

Almost surely, 2214250009 is an apocalyptic number.

It is an amenable number.

214250009 is a deficient number, since it is larger than the sum of its proper divisors (4538983).

214250009 is an equidigital number, since it uses as much as digits as its factorization.

214250009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9247.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 214250009 is about 14637.2814757386. The cubic root of 214250009 is about 598.3752422045.

The spelling of 214250009 in words is "two hundred fourteen million, two hundred fifty thousand, nine".

Divisors: 1 53 463 8731 24539 462743 4042453 214250009