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56541012 = 223111014241
BaseRepresentation
bin1101011110101…
…1111101010100
310221101120200120
43113223331110
5103433303022
65335511540
71254406413
oct327537524
9127346616
1056541012
1129a09110
1216b285b0
13b938728
14771b47a
154e6cd5c
hex35ebf54

56541012 has 48 divisors (see below), whose sum is σ = 145381824. Its totient is φ = 16960000.

The previous prime is 56540987. The next prime is 56541029. The reversal of 56541012 is 21014565.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11212 + ... + 15452.

It is an arithmetic number, because the mean of its divisors is an integer number (3028788).

Almost surely, 256541012 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 56541012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72690912).

56541012 is an abundant number, since it is smaller than the sum of its proper divisors (88840812).

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

56541012 is a wasteful number, since it uses less digits than its factorization.

56541012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4360 (or 4358 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 56541012 is about 7519.3757719641. The cubic root of 56541012 is about 383.8143362444.

Adding to 56541012 its reverse (21014565), we get a palindrome (77555577).

It can be divided in two parts, 5654 and 1012, that added together give a palindrome (6666).

The spelling of 56541012 in words is "fifty-six million, five hundred forty-one thousand, twelve".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 101 132 202 303 404 606 1111 1212 2222 3333 4241 4444 6666 8482 12723 13332 16964 25446 46651 50892 93302 139953 186604 279906 428341 559812 856682 1285023 1713364 2570046 4711751 5140092 9423502 14135253 18847004 28270506 56541012