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61042443 = 3711224023
BaseRepresentation
bin1110100011011…
…0111100001011
311020212021111020
43220312330023
5111111324233
610020203523
71340565210
oct350667413
9136767436
1061042443
1131503100
12185395a3
13c8535b7
14816db07
15555b9b3
hex3a36f0b

61042443 has 24 divisors (see below), whose sum is σ = 102246144. Its totient is φ = 31709040.

The previous prime is 61042439. The next prime is 61042493. The reversal of 61042443 is 34424016.

It is not a de Polignac number, because 61042443 - 22 = 61042439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61042493) 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, 9471 + ... + 14552.

It is an arithmetic number, because the mean of its divisors is an integer number (4260256).

Almost surely, 261042443 is an apocalyptic number.

61042443 is a deficient number, since it is larger than the sum of its proper divisors (41203701).

61042443 is a wasteful number, since it uses less digits than its factorization.

61042443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24055 (or 24044 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 61042443 is about 7812.9663380818. The cubic root of 61042443 is about 393.7409959140.

Adding to 61042443 its reverse (34424016), we get a palindrome (95466459).

The spelling of 61042443 in words is "sixty-one million, forty-two thousand, four hundred forty-three".

Divisors: 1 3 7 11 21 33 77 121 231 363 847 2541 24023 72069 168161 264253 504483 792759 1849771 2906783 5549313 8720349 20347481 61042443