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65444701 = 79349243
BaseRepresentation
bin1111100110100…
…1101101011101
311120010221020211
43321221231131
5113223212301
610254412421
71423161610
oct371515535
9146127224
1065444701
1133a3a633
1219b01111
131073529a
148998177
155b2b051
hex3e69b5d

65444701 has 4 divisors (see below), whose sum is σ = 74793952. Its totient is φ = 56095452.

The previous prime is 65444669. The next prime is 65444707. The reversal of 65444701 is 10744456.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 65444701 - 25 = 65444669 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 (65444707) by changing a digit.

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, 4674615 + ... + 4674628.

It is an arithmetic number, because the mean of its divisors is an integer number (18698488).

Almost surely, 265444701 is an apocalyptic number.

It is an amenable number.

65444701 is a deficient number, since it is larger than the sum of its proper divisors (9349251).

65444701 is an equidigital number, since it uses as much as digits as its factorization.

65444701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9349250.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 65444701 is about 8089.7899231068. The cubic root of 65444701 is about 402.9874264129.

The spelling of 65444701 in words is "sixty-five million, four hundred forty-four thousand, seven hundred one".

Divisors: 1 7 9349243 65444701