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61332479 = 1317327271
BaseRepresentation
bin1110100111110…
…1101111111111
311021102000100022
43221331233333
5111200114404
610030322355
71343213615
oct351755777
9137360308
1061332479
1131690aaa
12186593bb
13c925610
1482076b5
1555b78be
hex3a7dbff

61332479 has 8 divisors (see below), whose sum is σ = 66434592. Its totient is φ = 56285280.

The previous prime is 61332473. The next prime is 61332487. The reversal of 61332479 is 97423316.

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 61332479 - 28 = 61332223 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 (61332473) 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, 11387 + ... + 15884.

It is an arithmetic number, because the mean of its divisors is an integer number (8304324).

Almost surely, 261332479 is an apocalyptic number.

61332479 is a deficient number, since it is larger than the sum of its proper divisors (5102113).

61332479 is a wasteful number, since it uses less digits than its factorization.

61332479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27457.

The product of its digits is 27216, while the sum is 35.

The square root of 61332479 is about 7831.5055385283. The cubic root of 61332479 is about 394.3636155537.

The spelling of 61332479 in words is "sixty-one million, three hundred thirty-two thousand, four hundred seventy-nine".

Divisors: 1 13 173 2249 27271 354523 4717883 61332479