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214536064 = 273797467
BaseRepresentation
bin11001100100110…
…00111110000000
3112221200120011011
430302120332000
5414410123224
633142130304
75213345401
oct1462307600
9487616134
10214536064
11100111136
125ba20994
13355a6722
14206c79a8
1513c7b394
hexcc98f80

214536064 has 64 divisors (see below), whose sum is σ = 444422160. Its totient is φ = 103071744.

The previous prime is 214536061. The next prime is 214536083. The reversal of 214536064 is 460635412.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×2145360642 = 92051445513224192, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214536061) 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, 459159 + ... + 459625.

Almost surely, 2214536064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 214536064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (222211080).

214536064 is an abundant number, since it is smaller than the sum of its proper divisors (229886096).

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

214536064 is an equidigital number, since it uses as much as digits as its factorization.

214536064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615 (or 603 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 214536064 is about 14647.0496687900. The cubic root of 214536064 is about 598.6414298373.

The spelling of 214536064 in words is "two hundred fourteen million, five hundred thirty-six thousand, sixty-four".

Divisors: 1 2 4 8 16 32 37 64 74 97 128 148 194 296 388 467 592 776 934 1184 1552 1868 2368 3104 3589 3736 4736 6208 7178 7472 12416 14356 14944 17279 28712 29888 34558 45299 57424 59776 69116 90598 114848 138232 181196 229696 276464 362392 459392 552928 724784 1105856 1449568 1676063 2211712 2899136 3352126 5798272 6704252 13408504 26817008 53634016 107268032 214536064