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21014294 = 271501021
BaseRepresentation
bin101000000101…
…0011100010110
31110112122012012
41100022130112
520334424134
62030224222
7343422110
oct120123426
943478165
1021014294
1110953394
127055072
134479cc2
142b103b0
151ca16ce
hex140a716

21014294 has 8 divisors (see below), whose sum is σ = 36024528. Its totient is φ = 9006120.

The previous prime is 21014243. The next prime is 21014297. The reversal of 21014294 is 49241012.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21014297) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 750497 + ... + 750524.

It is an arithmetic number, because the mean of its divisors is an integer number (4503066).

Almost surely, 221014294 is an apocalyptic number.

21014294 is a deficient number, since it is larger than the sum of its proper divisors (15010234).

21014294 is a wasteful number, since it uses less digits than its factorization.

21014294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1501030.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 21014294 is about 4584.1350329152. The cubic root of 21014294 is about 275.9550003650.

The spelling of 21014294 in words is "twenty-one million, fourteen thousand, two hundred ninety-four".

Divisors: 1 2 7 14 1501021 3002042 10507147 21014294