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214430812 = 2259818963
BaseRepresentation
bin11001100011111…
…11010001011100
3112221111012202221
430301333101130
5414343241222
633135555124
75212426501
oct1461772134
9487435687
10214430812
1110004a052
125b98baa4
133556a84b
142069b4a8
1513c5a0c7
hexcc7f45c

214430812 has 12 divisors (see below), whose sum is σ = 375358536. Its totient is φ = 107185520.

The previous prime is 214430803. The next prime is 214430891. The reversal of 214430812 is 218034412.

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, 19443 + ... + 28405.

It is an arithmetic number, because the mean of its divisors is an integer number (31279878).

Almost surely, 2214430812 is an apocalyptic number.

It is an amenable number.

214430812 is a deficient number, since it is larger than the sum of its proper divisors (160927724).

214430812 is a wasteful number, since it uses less digits than its factorization.

214430812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14948 (or 14946 counting only the distinct ones).

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

The square root of 214430812 is about 14643.4562860002. The cubic root of 214430812 is about 598.5435154302.

The spelling of 214430812 in words is "two hundred fourteen million, four hundred thirty thousand, eight hundred twelve".

Divisors: 1 2 4 5981 8963 11962 17926 23924 35852 53607703 107215406 214430812