Search a number
-
+
19225349 = 1113134443
BaseRepresentation
bin100100101010…
…1101100000101
31100011202012222
41021111230011
514410202344
61524022125
7322261403
oct111255405
940152188
1019225349
11a941320
126531945
133ca1960
1427a6473
151a4b5ee
hex1255b05

19225349 has 8 divisors (see below), whose sum is σ = 22586592. Its totient is φ = 16133040.

The previous prime is 19225337. The next prime is 19225369. The reversal of 19225349 is 94352291.

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

It is not a de Polignac number, because 19225349 - 24 = 19225333 is a prime.

It is a super-2 number, since 2×192253492 = 739228088343602, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19225319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67079 + ... + 67364.

It is an arithmetic number, because the mean of its divisors is an integer number (2823324).

Almost surely, 219225349 is an apocalyptic number.

It is an amenable number.

19225349 is a deficient number, since it is larger than the sum of its proper divisors (3361243).

19225349 is a wasteful number, since it uses less digits than its factorization.

19225349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134467.

The product of its digits is 19440, while the sum is 35.

The square root of 19225349 is about 4384.6720515906. The cubic root of 19225349 is about 267.8909716529.

The spelling of 19225349 in words is "nineteen million, two hundred twenty-five thousand, three hundred forty-nine".

Divisors: 1 11 13 143 134443 1478873 1747759 19225349