Search a number
-
+
19036138 = 2111945541
BaseRepresentation
bin100100010011…
…1011111101010
31022211010200011
41020213133222
514333124023
61520002134
7320542642
oct110473752
938733604
1019036138
11a822150
12646034a
133c367b4
142757522
151a1050d
hex12277ea

19036138 has 16 divisors (see below), whose sum is σ = 32790240. Its totient is φ = 8197200.

The previous prime is 19036109. The next prime is 19036159. The reversal of 19036138 is 83163091.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22353 + ... + 23188.

It is an arithmetic number, because the mean of its divisors is an integer number (2049390).

Almost surely, 219036138 is an apocalyptic number.

19036138 is a deficient number, since it is larger than the sum of its proper divisors (13754102).

19036138 is a wasteful number, since it uses less digits than its factorization.

19036138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45573.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 19036138 is about 4363.0422872120. The cubic root of 19036138 is about 267.0092343919.

The spelling of 19036138 in words is "nineteen million, thirty-six thousand, one hundred thirty-eight".

Divisors: 1 2 11 19 22 38 209 418 45541 91082 500951 865279 1001902 1730558 9518069 19036138