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65200042 = 236179013
BaseRepresentation
bin1111100010110…
…1111110101010
311112200111122101
43320231332222
5113142400132
610245244014
71421122405
oct370557652
9145614571
1065200042
1133892836
1219a0360a
131067ab0b
148932d3c
155acd7e7
hex3e2dfaa

65200042 has 8 divisors (see below), whose sum is σ = 97837956. Its totient is φ = 32587392.

The previous prime is 65200019. The next prime is 65200061. The reversal of 65200042 is 24000256.

It can be written as a sum of positive squares in 2 ways, for example, as 56385081 + 8814961 = 7509^2 + 2969^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 65199992 and 65200019.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2728 + ... + 11740.

Almost surely, 265200042 is an apocalyptic number.

65200042 is a deficient number, since it is larger than the sum of its proper divisors (32637914).

65200042 is a wasteful number, since it uses less digits than its factorization.

65200042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12632.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 65200042 is about 8074.6542960055. The cubic root of 65200042 is about 402.4846221765.

Adding to 65200042 its reverse (24000256), we get a palindrome (89200298).

The spelling of 65200042 in words is "sixty-five million, two hundred thousand, forty-two".

Divisors: 1 2 3617 7234 9013 18026 32600021 65200042