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12032804 = 2271721487
BaseRepresentation
bin101101111001…
…101100100100
3211122022220102
4231321230210
511040022204
61105523232
7204164030
oct55715444
924568812
1012032804
116879473
124043518
132653c04
1418531c0
1510ca41e
hexb79b24

12032804 has 36 divisors (see below), whose sum is σ = 25581696. Its totient is φ = 4850304.

The previous prime is 12032789. The next prime is 12032827. The reversal of 12032804 is 40823021.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7349 + ... + 8835.

Almost surely, 212032804 is an apocalyptic number.

12032804 is a gapful number since it is divisible by the number (14) 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 12032804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12790848).

12032804 is an abundant number, since it is smaller than the sum of its proper divisors (13548892).

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

12032804 is a wasteful number, since it uses less digits than its factorization.

12032804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1532 (or 1513 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 12032804 is about 3468.8332332356. The cubic root of 12032804 is about 229.1512765128.

Adding to 12032804 its reverse (40823021), we get a palindrome (52855825).

The spelling of 12032804 in words is "twelve million, thirty-two thousand, eight hundred four".

Divisors: 1 2 4 7 14 17 28 34 68 119 238 289 476 578 1156 1487 2023 2974 4046 5948 8092 10409 20818 25279 41636 50558 101116 176953 353906 429743 707812 859486 1718972 3008201 6016402 12032804