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65441057 = 1118473221
BaseRepresentation
bin1111100110100…
…0110100100001
311120010202020212
43321220310201
5113223103212
610254343505
71423145153
oct371506441
9146122225
1065441057
1133a37920
1219abab95
1310733726
148996ad3
155b29e22
hex3e68d21

65441057 has 8 divisors (see below), whose sum is σ = 71451072. Its totient is φ = 59441200.

The previous prime is 65441039. The next prime is 65441063. The reversal of 65441057 is 75014456.

65441057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 65441057 - 28 = 65440801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65441027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18707 + ... + 21927.

It is an arithmetic number, because the mean of its divisors is an integer number (8931384).

Almost surely, 265441057 is an apocalyptic number.

It is an amenable number.

65441057 is a deficient number, since it is larger than the sum of its proper divisors (6010015).

65441057 is a wasteful number, since it uses less digits than its factorization.

65441057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5079.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 65441057 is about 8089.5646978067. The cubic root of 65441057 is about 402.9799467473.

The spelling of 65441057 in words is "sixty-five million, four hundred forty-one thousand, fifty-seven".

Divisors: 1 11 1847 3221 20317 35431 5949187 65441057