Search a number
-
+
124534420 = 22523972791
BaseRepresentation
bin1110110110000…
…11111010010100
322200100000002221
413123003322110
5223340100140
620205112124
73041345053
oct733037224
9280300087
10124534420
116432960a
1235858644
131ca53b0a
141277a39a
15adee14a
hex76c3e94

124534420 has 48 divisors (see below), whose sum is σ = 275804928. Its totient is φ = 47139840.

The previous prime is 124534363. The next prime is 124534429. The reversal of 124534420 is 24435421.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124534429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43225 + ... + 46015.

It is an arithmetic number, because the mean of its divisors is an integer number (5745936).

Almost surely, 2124534420 is an apocalyptic number.

124534420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 124534420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137902464).

124534420 is an abundant number, since it is smaller than the sum of its proper divisors (151270508).

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

124534420 is a wasteful number, since it uses less digits than its factorization.

124534420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2920 (or 2918 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 124534420 is about 11159.4990927012. The cubic root of 124534420 is about 499.3784543488.

Adding to 124534420 its reverse (24435421), we get a palindrome (148969841).

The spelling of 124534420 in words is "one hundred twenty-four million, five hundred thirty-four thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 23 46 92 97 115 194 230 388 460 485 970 1940 2231 2791 4462 5582 8924 11155 11164 13955 22310 27910 44620 55820 64193 128386 256772 270727 320965 541454 641930 1082908 1283860 1353635 2707270 5414540 6226721 12453442 24906884 31133605 62267210 124534420