Search a number
-
+
157244 = 22192069
BaseRepresentation
bin100110011000111100
321222200212
4212120330
520012434
63211552
71223303
oct463074
9258625
10157244
11a815a
1276bb8
1356759
144143a
15318ce
hex2663c

157244 has 12 divisors (see below), whose sum is σ = 289800. Its totient is φ = 74448.

The previous prime is 157243. The next prime is 157247. The reversal of 157244 is 442751.

157244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157243) 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, 959 + ... + 1110.

It is an arithmetic number, because the mean of its divisors is an integer number (24150).

2157244 is an apocalyptic number.

It is an amenable number.

157244 is a deficient number, since it is larger than the sum of its proper divisors (132556).

157244 is a wasteful number, since it uses less digits than its factorization.

157244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2092 (or 2090 counting only the distinct ones).

The product of its digits is 1120, while the sum is 23.

The square root of 157244 is about 396.5400358098. The cubic root of 157244 is about 53.9748396734.

Adding to 157244 its reverse (442751), we get a palindrome (599995).

The spelling of 157244 in words is "one hundred fifty-seven thousand, two hundred forty-four".

Divisors: 1 2 4 19 38 76 2069 4138 8276 39311 78622 157244