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214340747 = 8913717579
BaseRepresentation
bin11001100011010…
…01010010001011
3112221022122020012
430301221102023
5414332400442
633134022135
75211603065
oct1461512213
9487278205
10214340747
11aaa98415
125b94794b
133553885a
1420676735
1513c3d582
hexcc6948b

214340747 has 8 divisors (see below), whose sum is σ = 218343600. Its totient is φ = 210373504.

The previous prime is 214340723. The next prime is 214340807. The reversal of 214340747 is 747043412.

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 214340747 - 28 = 214340491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214340047) by changing a digit.

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, 3404 + ... + 20982.

It is an arithmetic number, because the mean of its divisors is an integer number (27292950).

Almost surely, 2214340747 is an apocalyptic number.

214340747 is a deficient number, since it is larger than the sum of its proper divisors (4002853).

214340747 is a wasteful number, since it uses less digits than its factorization.

214340747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17805.

The product of its (nonzero) digits is 18816, while the sum is 32.

The square root of 214340747 is about 14640.3806986021. The cubic root of 214340747 is about 598.4597038261.

The spelling of 214340747 in words is "two hundred fourteen million, three hundred forty thousand, seven hundred forty-seven".

Divisors: 1 89 137 12193 17579 1564531 2408323 214340747