Search a number
-
+
56226100 = 22527471709
BaseRepresentation
bin1101011001111…
…1000100110100
310220210120201011
43112133010310
5103343213400
65325042004
71251625330
oct326370464
9126716634
1056226100
1129813557
12169b6304
13b8582a8
1476787c0
154e098ba
hex359f134

56226100 has 72 divisors (see below), whose sum is σ = 142490880. Its totient is φ = 18856320.

The previous prime is 56226097. The next prime is 56226101. The reversal of 56226100 is 162265.

It is a super-2 number, since 2×562261002 = 6322748642420000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56226101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32046 + ... + 33754.

It is an arithmetic number, because the mean of its divisors is an integer number (1979040).

Almost surely, 256226100 is an apocalyptic number.

56226100 is a gapful number since it is divisible by the number (50) 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 56226100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71245440).

56226100 is an abundant number, since it is smaller than the sum of its proper divisors (86264780).

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

56226100 is a wasteful number, since it uses less digits than its factorization.

56226100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1777 (or 1770 counting only the distinct ones).

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

The square root of 56226100 is about 7498.4064973833. The cubic root of 56226100 is about 383.1004424487.

Adding to 56226100 its reverse (162265), we get a palindrome (56388365).

It can be divided in two parts, 562 and 26100, that added together give a palindrome (26662).

The spelling of 56226100 in words is "fifty-six million, two hundred twenty-six thousand, one hundred".

Divisors: 1 2 4 5 7 10 14 20 25 28 35 47 50 70 94 100 140 175 188 235 329 350 470 658 700 940 1175 1316 1645 1709 2350 3290 3418 4700 6580 6836 8225 8545 11963 16450 17090 23926 32900 34180 42725 47852 59815 80323 85450 119630 160646 170900 239260 299075 321292 401615 562261 598150 803230 1124522 1196300 1606460 2008075 2249044 2811305 4016150 5622610 8032300 11245220 14056525 28113050 56226100