Search a number
-
+
123448 = 23131187
BaseRepresentation
bin11110001000111000
320021100011
4132020320
512422243
62351304
71022623
oct361070
9207304
10123448
1184826
125b534
1344260
1432dba
152689d
hex1e238

123448 has 16 divisors (see below), whose sum is σ = 249480. Its totient is φ = 56928.

The previous prime is 123439. The next prime is 123449. The reversal of 123448 is 844321.

It is a plaindrome in base 10 and base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123449) 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, 490 + ... + 697.

2123448 is an apocalyptic number.

It is an amenable number.

123448 is an abundant number, since it is smaller than the sum of its proper divisors (126032).

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

123448 is a wasteful number, since it uses less digits than its factorization.

123448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1206 (or 1202 counting only the distinct ones).

The product of its digits is 768, while the sum is 22.

The square root of 123448 is about 351.3516756755. The cubic root of 123448 is about 49.7922042818.

Adding to 123448 its reverse (844321), we get a palindrome (967769).

The spelling of 123448 in words is "one hundred twenty-three thousand, four hundred forty-eight".

Divisors: 1 2 4 8 13 26 52 104 1187 2374 4748 9496 15431 30862 61724 123448