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19240092 = 2234431381
BaseRepresentation
bin100100101100…
…1010010011100
31100012111110000
41021121102130
514411140332
61524214300
7322352364
oct111312234
940174400
1019240092
11a951403
12653a390
133ca8591
1427ab9a4
151a50b7c
hex125949c

19240092 has 60 divisors (see below), whose sum is σ = 51504376. Its totient is φ = 6259680.

The previous prime is 19240063. The next prime is 19240093. The reversal of 19240092 is 29004291.

It is a super-2 number, since 2×192400922 = 740362280336928, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19240093) 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 19 ways as a sum of consecutive naturals, for example, 13242 + ... + 14622.

Almost surely, 219240092 is an apocalyptic number.

19240092 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19240092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25752188).

19240092 is an abundant number, since it is smaller than the sum of its proper divisors (32264284).

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

19240092 is a wasteful number, since it uses less digits than its factorization.

19240092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1440 (or 1429 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 19240092 is about 4386.3529269770. The cubic root of 19240092 is about 267.9594317445.

The spelling of 19240092 in words is "nineteen million, two hundred forty thousand, ninety-two".

Divisors: 1 2 3 4 6 9 12 18 27 36 43 54 81 86 108 129 162 172 258 324 387 516 774 1161 1381 1548 2322 2762 3483 4143 4644 5524 6966 8286 12429 13932 16572 24858 37287 49716 59383 74574 111861 118766 149148 178149 223722 237532 356298 447444 534447 712596 1068894 1603341 2137788 3206682 4810023 6413364 9620046 19240092