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61086463 = 1912012677
BaseRepresentation
bin1110100100000…
…1101011111111
311020221111212121
43221001223333
5111114231323
610021143411
71341140434
oct351015377
9136844777
1061086463
1131533189
121855ab67
13c86a649
148181b8b
155569a5d
hex3a41aff

61086463 has 8 divisors (see below), whose sum is σ = 64379120. Its totient is φ = 57801600.

The previous prime is 61086451. The next prime is 61086481. The reversal of 61086463 is 36468016.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-61086463 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 (61086163) 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, 21481 + ... + 24157.

It is an arithmetic number, because the mean of its divisors is an integer number (8047390).

Almost surely, 261086463 is an apocalyptic number.

61086463 is a deficient number, since it is larger than the sum of its proper divisors (3292657).

61086463 is a wasteful number, since it uses less digits than its factorization.

61086463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3897.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 61086463 is about 7815.7829422266. The cubic root of 61086463 is about 393.8356203157.

The spelling of 61086463 in words is "sixty-one million, eighty-six thousand, four hundred sixty-three".

Divisors: 1 19 1201 2677 22819 50863 3215077 61086463