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56105541 = 35373619
BaseRepresentation
bin1101011000000…
…1101001000101
310220120110100000
43112001221011
5103330334131
65322311513
71250614002
oct326015105
9126513300
1056105541
1129740a18
1216958599
13b81545b
1476468a9
154dd3ce6
hex3581a45

56105541 has 24 divisors (see below), whose sum is σ = 84404320. Its totient is φ = 37243152.

The previous prime is 56105531. The next prime is 56105551. The reversal of 56105541 is 14550165.

It is a happy number.

56105541 is a `hidden beast` number, since 5 + 610 + 5 + 5 + 41 = 666.

It is an interprime number because it is at equal distance from previous prime (56105531) and next prime (56105551).

It is not a de Polignac number, because 56105541 - 215 = 56072773 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56105501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90330 + ... + 90948.

Almost surely, 256105541 is an apocalyptic number.

It is an amenable number.

56105541 is a deficient number, since it is larger than the sum of its proper divisors (28298779).

56105541 is an equidigital number, since it uses as much as digits as its factorization.

56105541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007 (or 995 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 56105541 is about 7490.3632088170. The cubic root of 56105541 is about 382.8264341373.

The spelling of 56105541 in words is "fifty-six million, one hundred five thousand, five hundred forty-one".

Divisors: 1 3 9 27 81 243 373 619 1119 1857 3357 5571 10071 16713 30213 50139 90639 150417 230887 692661 2077983 6233949 18701847 56105541