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65142463 = 234365867
BaseRepresentation
bin1111100001111…
…1111010111111
311112120120122211
43320133322333
5113134024323
610244121251
71420462501
oct370377277
9145516584
1065142463
1133853551
1219996227
131065a849
148919d71
155abb70d
hex3e1febf

65142463 has 8 divisors (see below), whose sum is σ = 69556608. Its totient is φ = 60860184.

The previous prime is 65142421. The next prime is 65142503. The reversal of 65142463 is 36424156.

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 65142463 - 213 = 65134271 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 (65140463) 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, 31945 + ... + 33922.

It is an arithmetic number, because the mean of its divisors is an integer number (8694576).

Almost surely, 265142463 is an apocalyptic number.

65142463 is a deficient number, since it is larger than the sum of its proper divisors (4414145).

65142463 is a wasteful number, since it uses less digits than its factorization.

65142463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65933.

The product of its digits is 17280, while the sum is 31.

The square root of 65142463 is about 8071.0880926923. The cubic root of 65142463 is about 402.3661074913.

The spelling of 65142463 in words is "sixty-five million, one hundred forty-two thousand, four hundred sixty-three".

Divisors: 1 23 43 989 65867 1514941 2832281 65142463