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61241011 = 1329612663
BaseRepresentation
bin1110100110011…
…1011010110011
311021020100212121
43221213122303
5111134203021
610024335111
71342353136
oct351473263
9137210777
1061241011
1131629307
1218614497
13c8c2ab0
1481c221d
15559a741
hex3a676b3

61241011 has 16 divisors (see below), whose sum is σ = 69370560. Its totient is φ = 53665920.

The previous prime is 61240967. The next prime is 61241017. The reversal of 61241011 is 11014216.

It is a cyclic number.

It is not a de Polignac number, because 61241011 - 213 = 61232819 is a prime.

It is a super-2 number, since 2×612410112 = 7500922856604242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61241017) 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, 21666 + ... + 24328.

It is an arithmetic number, because the mean of its divisors is an integer number (4335660).

Almost surely, 261241011 is an apocalyptic number.

61241011 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

61241011 is a deficient number, since it is larger than the sum of its proper divisors (8129549).

61241011 is a wasteful number, since it uses less digits than its factorization.

61241011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2766.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 61241011 is about 7825.6636140330. The cubic root of 61241011 is about 394.1674737029.

Adding to 61241011 its reverse (11014216), we get a palindrome (72255227).

The spelling of 61241011 in words is "sixty-one million, two hundred forty-one thousand, eleven".

Divisors: 1 13 29 61 377 793 1769 2663 22997 34619 77227 162443 1003951 2111759 4710847 61241011