Search a number
-
+
3148812 = 2232471861
BaseRepresentation
bin1100000000110000001100
312220222100200
430000300030
51301230222
6151253500
735523132
oct14006014
95828320
103148812
111860827
12107a290
13863304
145bd752
15422eac
hex300c0c

3148812 has 36 divisors (see below), whose sum is σ = 8133216. Its totient is φ = 1026720.

The previous prime is 3148807. The next prime is 3148829. The reversal of 3148812 is 2188413.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×31488122 = 19830034022688, which contains 22 as substring.

It is a zygodrome in base 2.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 762 + ... + 2622.

Almost surely, 23148812 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 3148812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4066608).

3148812 is an abundant number, since it is smaller than the sum of its proper divisors (4984404).

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

3148812 is a wasteful number, since it uses less digits than its factorization.

3148812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1918 (or 1913 counting only the distinct ones).

The product of its digits is 1536, while the sum is 27.

The square root of 3148812 is about 1774.4892222834. The cubic root of 3148812 is about 146.5712901486.

The spelling of 3148812 in words is "three million, one hundred forty-eight thousand, eight hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 36 47 94 141 188 282 423 564 846 1692 1861 3722 5583 7444 11166 16749 22332 33498 66996 87467 174934 262401 349868 524802 787203 1049604 1574406 3148812