Search a number
-
+
3121258 = 27222947
BaseRepresentation
bin1011111010000001101010
312212120120011
423322001222
51244340013
6150522134
735346610
oct13720152
95776504
103121258
111842058
12106634a
138538ca
145b36b0
15419c3d
hex2fa06a

3121258 has 8 divisors (see below), whose sum is σ = 5350752. Its totient is φ = 1337676.

The previous prime is 3121253. The next prime is 3121259. The reversal of 3121258 is 8521213.

3121258 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3121253) 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 3 ways as a sum of consecutive naturals, for example, 111460 + ... + 111487.

It is an arithmetic number, because the mean of its divisors is an integer number (668844).

Almost surely, 23121258 is an apocalyptic number.

3121258 is a deficient number, since it is larger than the sum of its proper divisors (2229494).

3121258 is a wasteful number, since it uses less digits than its factorization.

3121258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222956.

The product of its digits is 480, while the sum is 22.

The square root of 3121258 is about 1766.7082385046. The cubic root of 3121258 is about 146.1425080060.

The spelling of 3121258 in words is "three million, one hundred twenty-one thousand, two hundred fifty-eight".

Divisors: 1 2 7 14 222947 445894 1560629 3121258