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56103124 = 22711199587
BaseRepresentation
bin1101011000000…
…1000011010100
310220120100000111
43112001003110
5103330244444
65322252404
71250603650
oct326010324
9126510014
1056103124
112973a120
1216957104
13b81431c
147645a60
154dd3234
hex35810d4

56103124 has 48 divisors (see below), whose sum is σ = 128862720. Its totient is φ = 20705760.

The previous prime is 56103107. The next prime is 56103127. The reversal of 56103124 is 42130165.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 56103095 and 56103104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56103127) 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, 1059 + ... + 10645.

It is an arithmetic number, because the mean of its divisors is an integer number (2684640).

Almost surely, 256103124 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 56103124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64431360).

56103124 is an abundant number, since it is smaller than the sum of its proper divisors (72759596).

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

56103124 is a wasteful number, since it uses less digits than its factorization.

56103124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9628 (or 9626 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 56103124 is about 7490.2018664386. The cubic root of 56103124 is about 382.8209367315.

Adding to 56103124 its reverse (42130165), we get a palindrome (98233289).

The spelling of 56103124 in words is "fifty-six million, one hundred three thousand, one hundred twenty-four".

Divisors: 1 2 4 7 11 14 19 22 28 38 44 76 77 133 154 209 266 308 418 532 836 1463 2926 5852 9587 19174 38348 67109 105457 134218 182153 210914 268436 364306 421828 728612 738199 1275071 1476398 2003683 2550142 2952796 4007366 5100284 8014732 14025781 28051562 56103124