Search a number
-
+
124105824 = 25333792
BaseRepresentation
bin1110110010110…
…11010001100000
322122112020012000
413121123101200
5223232341244
620152004000
73034611363
oct731332140
9278466160
10124105824
11640665a7
1235690600
131c9339cb
14126a80da
15ad67169
hex765b460

124105824 has 72 divisors (see below), whose sum is σ = 362932920. Its totient is φ = 41259456.

The previous prime is 124105823. The next prime is 124105837. The reversal of 124105824 is 428501421.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124105823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 327267 + ... + 327645.

It is an arithmetic number, because the mean of its divisors is an integer number (5040735).

Almost surely, 2124105824 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 124105824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181466460).

124105824 is an abundant number, since it is smaller than the sum of its proper divisors (238827096).

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

124105824 is an frugal number, since it uses more digits than its factorization.

124105824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777 (or 384 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 124105824 is about 11140.2793501779. The cubic root of 124105824 is about 498.8049111344.

The spelling of 124105824 in words is "one hundred twenty-four million, one hundred five thousand, eight hundred twenty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 72 96 108 144 216 288 379 432 758 864 1137 1516 2274 3032 3411 4548 6064 6822 9096 10233 12128 13644 18192 20466 27288 36384 40932 54576 81864 109152 143641 163728 287282 327456 430923 574564 861846 1149128 1292769 1723692 2298256 2585538 3447384 3878307 4596512 5171076 6894768 7756614 10342152 13789536 15513228 20684304 31026456 41368608 62052912 124105824