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61111341 = 3727943
BaseRepresentation
bin1110100100011…
…1110000101101
311020222210000000
43221013300231
5111121030331
610021454513
71341303114
oct351076055
9136883000
1061111341
113154a945
1218571439
13c878a75
14818ac7b
1555720e6
hex3a47c2d

61111341 has 16 divisors (see below), whose sum is σ = 91656320. Its totient is φ = 40739436.

The previous prime is 61111321. The next prime is 61111343. The reversal of 61111341 is 14311116.

61111341 is a `hidden beast` number, since 611 + 1 + 13 + 41 = 666.

It is not a de Polignac number, because 61111341 - 210 = 61110317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61111343) 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, 11785 + ... + 16158.

It is an arithmetic number, because the mean of its divisors is an integer number (5728520).

Almost surely, 261111341 is an apocalyptic number.

It is an amenable number.

61111341 is a deficient number, since it is larger than the sum of its proper divisors (30544979).

61111341 is an frugal number, since it uses more digits than its factorization.

61111341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27964 (or 27946 counting only the distinct ones).

The product of its digits is 72, while the sum is 18.

The square root of 61111341 is about 7817.3743034346. The cubic root of 61111341 is about 393.8890774010.

Adding to 61111341 its reverse (14311116), we get a palindrome (75422457).

The spelling of 61111341 in words is "sixty-one million, one hundred eleven thousand, three hundred forty-one".

Divisors: 1 3 9 27 81 243 729 2187 27943 83829 251487 754461 2263383 6790149 20370447 61111341