Search a number
-
+
3231120 = 243513463
BaseRepresentation
bin1100010100110110010000
320002011021010
430110312100
51311343440
6153130520
736315114
oct14246620
96064233
103231120
111907652
1210b9a40
13891909
14601744
1543c580
hex314d90

3231120 has 40 divisors (see below), whose sum is σ = 10017216. Its totient is φ = 861568.

The previous prime is 3231119. The next prime is 3231127. The reversal of 3231120 is 211323.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 3231096 and 3231105.

It is not an unprimeable number, because it can be changed into a prime (3231127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6492 + ... + 6971.

Almost surely, 23231120 is an apocalyptic number.

3231120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3231120 is an abundant number, since it is smaller than the sum of its proper divisors (6786096).

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

3231120 is a wasteful number, since it uses less digits than its factorization.

3231120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13479 (or 13473 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 3231120 is about 1797.5316408898. The cubic root of 3231120 is about 147.8374158110.

Adding to 3231120 its reverse (211323), we get a palindrome (3442443).

The spelling of 3231120 in words is "three million, two hundred thirty-one thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 13463 26926 40389 53852 67315 80778 107704 134630 161556 201945 215408 269260 323112 403890 538520 646224 807780 1077040 1615560 3231120