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124421104 = 2431534733
BaseRepresentation
bin1110110101010…
…00001111110000
322200010020200001
413122220033300
5223322433404
620202435344
73040363513
oct732501760
9280106601
10124421104
1164261465
1235802b54
131ca14372
141274ad7a
15adca7a4
hex76a83f0

124421104 has 40 divisors (see below), whose sum is σ = 253590912. Its totient is φ = 59055360.

The previous prime is 124421083. The next prime is 124421111. The reversal of 124421104 is 401124421.

It is a super-2 number, since 2×1244211042 = 30961222241157632, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23922 + ... + 28654.

Almost surely, 2124421104 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 124421104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126795456).

124421104 is an abundant number, since it is smaller than the sum of its proper divisors (129169808).

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

124421104 is a wasteful number, since it uses less digits than its factorization.

124421104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4825 (or 4819 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 124421104 is about 11154.4208276360. The cubic root of 124421104 is about 499.2269440517.

Adding to 124421104 its reverse (401124421), we get a palindrome (525545525).

The spelling of 124421104 in words is "one hundred twenty-four million, four hundred twenty-one thousand, one hundred four".

Divisors: 1 2 4 8 16 31 53 62 106 124 212 248 424 496 848 1643 3286 4733 6572 9466 13144 18932 26288 37864 75728 146723 250849 293446 501698 586892 1003396 1173784 2006792 2347568 4013584 7776319 15552638 31105276 62210552 124421104