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122448 = 2432551
BaseRepresentation
bin11101111001010000
320012222010
4131321100
512404243
62342520
71016664
oct357120
9205863
10122448
1183aa7
125aa40
1343971
14328a4
1526433
hex1de50

122448 has 20 divisors (see below), whose sum is σ = 316448. Its totient is φ = 40800.

The previous prime is 122443. The next prime is 122449. The reversal of 122448 is 844221.

It is a nude number because it is divisible by every one of its digits.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122443) by changing a digit.

122448 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1228 + ... + 1323.

2122448 is an apocalyptic number.

It is an amenable number.

122448 is an abundant number, since it is smaller than the sum of its proper divisors (194000).

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

122448 is a wasteful number, since it uses less digits than its factorization.

122448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2562 (or 2556 counting only the distinct ones).

The product of its digits is 512, while the sum is 21.

The square root of 122448 is about 349.9257064007. The cubic root of 122448 is about 49.6573910780.

Adding to 122448 its reverse (844221), we get a palindrome (966669).

The spelling of 122448 in words is "one hundred twenty-two thousand, four hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 2551 5102 7653 10204 15306 20408 30612 40816 61224 122448