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18027696 = 2434761131
BaseRepresentation
bin100010011000…
…1010010110000
31020220220100110
41010301102300
514103341241
61442221320
7306142611
oct104612260
936826313
1018027696
11a1a3525
126054840
13397279b
142573c08
1518b1816
hex11314b0

18027696 has 80 divisors (see below), whose sum is σ = 48711168. Its totient is φ = 5740800.

The previous prime is 18027679. The next prime is 18027697. The reversal of 18027696 is 69672081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18027697) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137551 + ... + 137681.

Almost surely, 218027696 is an apocalyptic number.

18027696 is a gapful number since it is divisible by the number (16) 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 18027696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24355584).

18027696 is an abundant number, since it is smaller than the sum of its proper divisors (30683472).

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

18027696 is a wasteful number, since it uses less digits than its factorization.

18027696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250 (or 244 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 18027696 is about 4245.9034374324. The cubic root of 18027696 is about 262.2084854540.

The spelling of 18027696 in words is "eighteen million, twenty-seven thousand, six hundred ninety-six".

Divisors: 1 2 3 4 6 8 12 16 24 47 48 61 94 122 131 141 183 188 244 262 282 366 376 393 488 524 564 732 752 786 976 1048 1128 1464 1572 2096 2256 2867 2928 3144 5734 6157 6288 7991 8601 11468 12314 15982 17202 18471 22936 23973 24628 31964 34404 36942 45872 47946 49256 63928 68808 73884 95892 98512 127856 137616 147768 191784 295536 375577 383568 751154 1126731 1502308 2253462 3004616 4506924 6009232 9013848 18027696