Search a number
-
+
123144324 = 22329477529
BaseRepresentation
bin1110101011100…
…00100010000100
322120201101020220
413111300202010
5223011104244
620115224340
73023465232
oct725604204
9276641226
10123144324
116356a176
12352a80b0
131c688184
14124d7952
15ac27319
hex7570884

123144324 has 48 divisors (see below), whose sum is σ = 303609600. Its totient is φ = 38784256.

The previous prime is 123144319. The next prime is 123144383. The reversal of 123144324 is 423441321.

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

It is a junction number, because it is equal to n+sod(n) for n = 123144294 and 123144303.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12592 + ... + 20120.

It is an arithmetic number, because the mean of its divisors is an integer number (6325200).

Almost surely, 2123144324 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123144324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151804800).

123144324 is an abundant number, since it is smaller than the sum of its proper divisors (180465276).

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

123144324 is a wasteful number, since it uses less digits than its factorization.

123144324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7612 (or 7610 counting only the distinct ones).

The product of its digits is 2304, while the sum is 24.

The square root of 123144324 is about 11097.0412272822. The cubic root of 123144324 is about 497.5134196695.

Adding to 123144324 its reverse (423441321), we get a palindrome (546585645).

The spelling of 123144324 in words is "one hundred twenty-three million, one hundred forty-four thousand, three hundred twenty-four".

Divisors: 1 2 3 4 6 12 29 47 58 87 94 116 141 174 188 282 348 564 1363 2726 4089 5452 7529 8178 15058 16356 22587 30116 45174 90348 218341 353863 436682 655023 707726 873364 1061589 1310046 1415452 2123178 2620092 4246356 10262027 20524054 30786081 41048108 61572162 123144324