Search a number
-
+
131448422 = 2719494167
BaseRepresentation
bin1111101010110…
…11111001100110
3100011100021100002
413311123321212
5232122322142
621013221302
73154202360
oct765337146
9304307302
10131448422
1168221166
1238031832
1321304b41
1413659d30
15b817a32
hex7d5be66

131448422 has 16 divisors (see below), whose sum is σ = 237200640. Its totient is φ = 53369928.

The previous prime is 131448397. The next prime is 131448431. The reversal of 131448422 is 224844131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246818 + ... + 247349.

It is an arithmetic number, because the mean of its divisors is an integer number (14825040).

Almost surely, 2131448422 is an apocalyptic number.

131448422 is a deficient number, since it is larger than the sum of its proper divisors (105752218).

131448422 is a wasteful number, since it uses less digits than its factorization.

131448422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494195.

The product of its digits is 6144, while the sum is 29.

The square root of 131448422 is about 11465.0958129446. The cubic root of 131448422 is about 508.4541452050.

The spelling of 131448422 in words is "one hundred thirty-one million, four hundred forty-eight thousand, four hundred twenty-two".

Divisors: 1 2 7 14 19 38 133 266 494167 988334 3459169 6918338 9389173 18778346 65724211 131448422