Search a number
-
+
19049129 = 11172343103
BaseRepresentation
bin100100010101…
…0101010101001
31022211210111022
41020222222221
514334033004
61520142225
7320625551
oct110525251
938753438
1019049129
11a830990
126467975
133c3c698
14275c161
151a142be
hex122aaa9

19049129 has 32 divisors (see below), whose sum is σ = 23721984. Its totient is φ = 15079680.

The previous prime is 19049123. The next prime is 19049161. The reversal of 19049129 is 92194091.

It is not a de Polignac number, because 19049129 - 28 = 19048873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19049123) 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 31 ways as a sum of consecutive naturals, for example, 184892 + ... + 184994.

It is an arithmetic number, because the mean of its divisors is an integer number (741312).

Almost surely, 219049129 is an apocalyptic number.

It is an amenable number.

19049129 is a deficient number, since it is larger than the sum of its proper divisors (4672855).

19049129 is a wasteful number, since it uses less digits than its factorization.

19049129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197.

The product of its (nonzero) digits is 5832, while the sum is 35.

The square root of 19049129 is about 4364.5307880687. The cubic root of 19049129 is about 267.0699597379.

The spelling of 19049129 in words is "nineteen million, forty-nine thousand, one hundred twenty-nine".

Divisors: 1 11 17 23 43 103 187 253 391 473 731 989 1133 1751 2369 4301 4429 8041 10879 16813 19261 26059 40273 48719 75293 101867 184943 443003 828223 1120537 1731739 19049129