Search a number
-
+
3121452 = 2232312797
BaseRepresentation
bin1011111010000100101100
312212120211100
423322010230
51244341302
6150523100
735350305
oct13720454
95776740
103121452
111842214
121066490
13853a19
145b37ac
15419d1c
hex2fa12c

3121452 has 36 divisors (see below), whose sum is σ = 8147776. Its totient is φ = 1006560.

The previous prime is 3121441. The next prime is 3121457. The reversal of 3121452 is 2541213.

3121452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (3121457) 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 11 ways as a sum of consecutive naturals, for example, 283 + ... + 2514.

Almost surely, 23121452 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 3121452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4073888).

3121452 is an abundant number, since it is smaller than the sum of its proper divisors (5026324).

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

3121452 is a wasteful number, since it uses less digits than its factorization.

3121452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2838 (or 2833 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 3121452 is about 1766.7631420199. The cubic root of 3121452 is about 146.1455357445.

Adding to 3121452 its reverse (2541213), we get a palindrome (5662665).

It can be divided in two parts, 312 and 1452, that added together give a square (1764 = 422).

The spelling of 3121452 in words is "three million, one hundred twenty-one thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 9 12 18 31 36 62 93 124 186 279 372 558 1116 2797 5594 8391 11188 16782 25173 33564 50346 86707 100692 173414 260121 346828 520242 780363 1040484 1560726 3121452