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61346109 = 3111858973
BaseRepresentation
bin1110101000000…
…1000100111101
311021102201001010
43222001010331
5111201033414
610030505433
71343301426
oct352010475
9137381033
1061346109
11316a0270
1218665279
13c92b896
14820c64d
1555bb959
hex3a8113d

61346109 has 8 divisors (see below), whose sum is σ = 89230752. Its totient is φ = 37179440.

The previous prime is 61346101. The next prime is 61346113. The reversal of 61346109 is 90164316.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61346109 - 23 = 61346101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61346101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 929454 + ... + 929519.

It is an arithmetic number, because the mean of its divisors is an integer number (11153844).

Almost surely, 261346109 is an apocalyptic number.

It is an amenable number.

61346109 is a deficient number, since it is larger than the sum of its proper divisors (27884643).

61346109 is a wasteful number, since it uses less digits than its factorization.

61346109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1858987.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 61346109 is about 7832.3756932364. The cubic root of 61346109 is about 394.3928267103.

The spelling of 61346109 in words is "sixty-one million, three hundred forty-six thousand, one hundred nine".

Divisors: 1 3 11 33 1858973 5576919 20448703 61346109