Search a number
-
+
65970051 = 373141431
BaseRepresentation
bin1111101110100…
…1111110000011
311121010121220020
43323221332003
5113342020201
610313544523
71430510340
oct373517603
9147117806
1065970051
1134269304
121a115143
131088a444
148a937c7
155bd1a36
hex3ee9f83

65970051 has 8 divisors (see below), whose sum is σ = 100525824. Its totient is φ = 37697160.

The previous prime is 65970031. The next prime is 65970067. The reversal of 65970051 is 15007956.

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

It is not a de Polignac number, because 65970051 - 27 = 65969923 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65969994 and 65970021.

It is not an unprimeable number, because it can be changed into a prime (65970011) 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 7 ways as a sum of consecutive naturals, for example, 1570695 + ... + 1570736.

It is an arithmetic number, because the mean of its divisors is an integer number (12565728).

Almost surely, 265970051 is an apocalyptic number.

65970051 is a deficient number, since it is larger than the sum of its proper divisors (34555773).

65970051 is a wasteful number, since it uses less digits than its factorization.

65970051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3141441.

The product of its (nonzero) digits is 9450, while the sum is 33.

The square root of 65970051 is about 8122.1949619546. The cubic root of 65970051 is about 404.0628659971.

The spelling of 65970051 in words is "sixty-five million, nine hundred seventy thousand, fifty-one".

Divisors: 1 3 7 21 3141431 9424293 21990017 65970051