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19240056 = 233211171429
BaseRepresentation
bin100100101100…
…1010001111000
31100012111101200
41021121101320
514411140211
61524214200
7322352313
oct111312170
940174350
1019240056
11a951380
12653a360
133ca8564
1427ab97a
151a50b56
hex1259478

19240056 has 96 divisors (see below), whose sum is σ = 60231600. Its totient is φ = 5483520.

The previous prime is 19240051. The next prime is 19240063. The reversal of 19240056 is 65004291.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19240051) 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 23 ways as a sum of consecutive naturals, for example, 12750 + ... + 14178.

Almost surely, 219240056 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 19240056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30115800).

19240056 is an abundant number, since it is smaller than the sum of its proper divisors (40991544).

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

19240056 is a wasteful number, since it uses less digits than its factorization.

19240056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1469 (or 1462 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 19240056 is about 4386.3488233382. The cubic root of 19240056 is about 267.9592646188.

The spelling of 19240056 in words is "nineteen million, two hundred forty thousand, fifty-six".

Divisors: 1 2 3 4 6 8 9 11 12 17 18 22 24 33 34 36 44 51 66 68 72 88 99 102 132 136 153 187 198 204 264 306 374 396 408 561 612 748 792 1122 1224 1429 1496 1683 2244 2858 3366 4287 4488 5716 6732 8574 11432 12861 13464 15719 17148 24293 25722 31438 34296 47157 48586 51444 62876 72879 94314 97172 102888 125752 141471 145758 188628 194344 218637 267223 282942 291516 377256 437274 534446 565884 583032 801669 874548 1068892 1131768 1603338 1749096 2137784 2405007 3206676 4810014 6413352 9620028 19240056