Search a number
-
+
3144154 = 213120929
BaseRepresentation
bin1011111111100111011010
312220201222011
423333213122
51301103104
6151220134
735503426
oct13774732
95821864
103144154
111858282
12107764a
13861160
145bbb86
15421904
hex2ff9da

3144154 has 8 divisors (see below), whose sum is σ = 5079060. Its totient is φ = 1451136.

The previous prime is 3144143. The next prime is 3144157. The reversal of 3144154 is 4514413.

It can be written as a sum of positive squares in 2 ways, for example, as 3143529 + 625 = 1773^2 + 25^2 .

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

It is not an unprimeable number, because it can be changed into a prime (3144157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60439 + ... + 60490.

Almost surely, 23144154 is an apocalyptic number.

3144154 is a deficient number, since it is larger than the sum of its proper divisors (1934906).

3144154 is a wasteful number, since it uses less digits than its factorization.

3144154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120944.

The product of its digits is 960, while the sum is 22.

The square root of 3144154 is about 1773.1762461752. The cubic root of 3144154 is about 146.4989807615.

Adding to 3144154 its reverse (4514413), we get a palindrome (7658567).

The spelling of 3144154 in words is "three million, one hundred forty-four thousand, one hundred fifty-four".

Divisors: 1 2 13 26 120929 241858 1572077 3144154