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19006853 is a prime number
BaseRepresentation
bin100100010000…
…0010110000101
31022202122111112
41020200112011
514331204403
61515214405
7320361365
oct110402605
938678445
1019006853
11a802148
126447405
133c26378
14274a9a5
151a069d8
hex1220585

19006853 has 2 divisors, whose sum is σ = 19006854. Its totient is φ = 19006852.

The previous prime is 19006843. The next prime is 19006873. The reversal of 19006853 is 35860091.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17825284 + 1181569 = 4222^2 + 1087^2 .

It is an emirp because it is prime and its reverse (35860091) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 19006853 - 212 = 19002757 is a prime.

It is a super-2 number, since 2×190068532 = 722520921927218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19006843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9503426 + 9503427.

It is an arithmetic number, because the mean of its divisors is an integer number (9503427).

Almost surely, 219006853 is an apocalyptic number.

It is an amenable number.

19006853 is a deficient number, since it is larger than the sum of its proper divisors (1).

19006853 is an equidigital number, since it uses as much as digits as its factorization.

19006853 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 19006853 is about 4359.6849656827. The cubic root of 19006853 is about 266.8722426939.

The spelling of 19006853 in words is "nineteen million, six thousand, eight hundred fifty-three".