Search a number
-
+
65061357 = 321687119
BaseRepresentation
bin1111100000110…
…0000111101101
311112102110101220
43320030013231
5113123430412
610242253553
71420004154
oct370140755
9145373356
1065061357
11337a8619
12199572b9
131062c95a
1488d859b
155aa268c
hex3e0c1ed

65061357 has 4 divisors (see below), whose sum is σ = 86748480. Its totient is φ = 43374236.

The previous prime is 65061331. The next prime is 65061371. The reversal of 65061357 is 75316056.

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 65061357 - 218 = 64799213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65061307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10843557 + ... + 10843562.

It is an arithmetic number, because the mean of its divisors is an integer number (21687120).

Almost surely, 265061357 is an apocalyptic number.

It is an amenable number.

65061357 is a deficient number, since it is larger than the sum of its proper divisors (21687123).

65061357 is a wasteful number, since it uses less digits than its factorization.

65061357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21687122.

The product of its (nonzero) digits is 18900, while the sum is 33.

The square root of 65061357 is about 8066.0620503440. The cubic root of 65061357 is about 402.1990487239.

The spelling of 65061357 in words is "sixty-five million, sixty-one thousand, three hundred fifty-seven".

Divisors: 1 3 21687119 65061357