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19073201 = 73173271
BaseRepresentation
bin100100011000…
…0100010110001
31022220000111212
41020300202301
514340320301
61520445505
7321056000
oct110604261
938800455
1019073201
11a847a84
126479895
133c4a624
142766c37
151a1b4bb
hex12308b1

19073201 has 16 divisors (see below), whose sum is σ = 23558400. Its totient is φ = 15382080.

The previous prime is 19073191. The next prime is 19073203. The reversal of 19073201 is 10237091.

It is not a de Polignac number, because 19073201 - 26 = 19073137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19073203) 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, 4196 + ... + 7466.

It is an arithmetic number, because the mean of its divisors is an integer number (1472400).

Almost surely, 219073201 is an apocalyptic number.

It is an amenable number.

19073201 is a deficient number, since it is larger than the sum of its proper divisors (4485199).

19073201 is an equidigital number, since it uses as much as digits as its factorization.

19073201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3309 (or 3295 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 19073201 is about 4367.2876021622. The cubic root of 19073201 is about 267.1824093578.

The spelling of 19073201 in words is "nineteen million, seventy-three thousand, two hundred one".

Divisors: 1 7 17 49 119 343 833 3271 5831 22897 55607 160279 389249 1121953 2724743 19073201