Search a number
-
+
124741040 = 2452276869
BaseRepresentation
bin1110110111101…
…10010110110000
322200201111112112
413123312112300
5223413203130
620213344452
73043165334
oct733662660
9280644475
10124741040
116445a876
1235938128
131cac6b88
14127d17c4
15ae40495
hex76f65b0

124741040 has 40 divisors (see below), whose sum is σ = 291342960. Its totient is φ = 49669376.

The previous prime is 124741033. The next prime is 124741049. The reversal of 124741040 is 40147421.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 124740997 and 124741015.

It is not an unprimeable number, because it can be changed into a prime (124741049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14726 + ... + 21594.

It is an arithmetic number, because the mean of its divisors is an integer number (7283574).

Almost surely, 2124741040 is an apocalyptic number.

124741040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124741040 is an abundant number, since it is smaller than the sum of its proper divisors (166601920).

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

124741040 is a wasteful number, since it uses less digits than its factorization.

124741040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7109 (or 7103 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 124741040 is about 11168.7528399549. The cubic root of 124741040 is about 499.6544812886.

Adding to 124741040 its reverse (40147421), we get a palindrome (164888461).

The spelling of 124741040 in words is "one hundred twenty-four million, seven hundred forty-one thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 227 454 908 1135 1816 2270 3632 4540 6869 9080 13738 18160 27476 34345 54952 68690 109904 137380 274760 549520 1559263 3118526 6237052 7796315 12474104 15592630 24948208 31185260 62370520 124741040