Search a number
-
+
19007196 = 2231337289
BaseRepresentation
bin100100010000…
…0011011011100
31022202122222020
41020200123130
514331212241
61515220140
7320362365
oct110403334
938678866
1019007196
11a80242a
126447650
133c26580
14274ab6c
151a06b66
hex12206dc

19007196 has 72 divisors (see below), whose sum is σ = 49638960. Its totient is φ = 5626368.

The previous prime is 19007171. The next prime is 19007213. The reversal of 19007196 is 69170091.

It is a super-2 number, since 2×190071962 = 722546999564832, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 213520 + ... + 213608.

It is an arithmetic number, because the mean of its divisors is an integer number (689430).

Almost surely, 219007196 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19007196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24819480).

19007196 is an abundant number, since it is smaller than the sum of its proper divisors (30631764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19007196 is a wasteful number, since it uses less digits than its factorization.

19007196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 3402, while the sum is 33.

The square root of 19007196 is about 4359.7243032100. The cubic root of 19007196 is about 266.8738480207.

The spelling of 19007196 in words is "nineteen million, seven thousand, one hundred ninety-six".

Divisors: 1 2 3 4 6 12 13 26 37 39 52 74 78 89 111 148 156 178 222 267 356 444 481 534 962 1068 1157 1369 1443 1924 2314 2738 2886 3293 3471 4107 4628 5476 5772 6586 6942 8214 9879 13172 13884 16428 17797 19758 35594 39516 42809 53391 71188 85618 106782 121841 128427 171236 213564 243682 256854 365523 487364 513708 731046 1462092 1583933 3167866 4751799 6335732 9503598 19007196