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65380901 = 471391083
BaseRepresentation
bin1111100101101…
…0001000100101
311120000200201212
43321122020211
5113214142101
610253201205
71422504605
oct371321045
9146020655
1065380901
11339a6703
1219a90205
1310712231
14897cc05
155b171bb
hex3e5a225

65380901 has 4 divisors (see below), whose sum is σ = 66772032. Its totient is φ = 63989772.

The previous prime is 65380897. The next prime is 65380943. The reversal of 65380901 is 10908356.

65380901 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a cyclic number.

It is not a de Polignac number, because 65380901 - 22 = 65380897 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 (65380001) 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 3 ways as a sum of consecutive naturals, for example, 695495 + ... + 695588.

It is an arithmetic number, because the mean of its divisors is an integer number (16693008).

Almost surely, 265380901 is an apocalyptic number.

It is an amenable number.

65380901 is a deficient number, since it is larger than the sum of its proper divisors (1391131).

65380901 is a wasteful number, since it uses less digits than its factorization.

65380901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1391130.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 65380901 is about 8085.8457195274. The cubic root of 65380901 is about 402.8564305402.

The spelling of 65380901 in words is "sixty-five million, three hundred eighty thousand, nine hundred one".

Divisors: 1 47 1391083 65380901