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214054421 = 7711672579
BaseRepresentation
bin11001100001000…
…11011000010101
3112220210002110112
430300203120111
5414244220141
633123532405
75206301240
oct1460433025
9486702415
10214054421
11aa912289
125b82a105
1335468429
1420600257
1513bd37eb
hexcc23615

214054421 has 16 divisors (see below), whose sum is σ = 249661440. Its totient is φ = 179738160.

The previous prime is 214054409. The next prime is 214054433. The reversal of 214054421 is 124450412.

It is an interprime number because it is at equal distance from previous prime (214054409) and next prime (214054433).

It is not a de Polignac number, because 214054421 - 214 = 214038037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214054441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81710 + ... + 84288.

It is an arithmetic number, because the mean of its divisors is an integer number (15603840).

Almost surely, 2214054421 is an apocalyptic number.

It is an amenable number.

214054421 is a deficient number, since it is larger than the sum of its proper divisors (35607019).

214054421 is a wasteful number, since it uses less digits than its factorization.

214054421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2824.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 214054421 is about 14630.5987915738. The cubic root of 214054421 is about 598.1931019577.

The spelling of 214054421 in words is "two hundred fourteen million, fifty-four thousand, four hundred twenty-one".

Divisors: 1 7 71 167 497 1169 2579 11857 18053 82999 183109 430693 1281763 3014851 30579203 214054421