Search a number
-
+
52791207 = 3710923063
BaseRepresentation
bin1100100101100…
…0011110100111
310200100001220220
43021120132213
5102003304312
65123255423
71210501140
oct311303647
9120301826
1052791207
11278878a7
121581a573
13ac24a01
147022ac7
15497bc8c
hex32587a7

52791207 has 16 divisors (see below), whose sum is σ = 81185280. Its totient is φ = 29888352.

The previous prime is 52791203. The next prime is 52791209. The reversal of 52791207 is 70219725.

It is not a de Polignac number, because 52791207 - 22 = 52791203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52791203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9243 + ... + 13820.

It is an arithmetic number, because the mean of its divisors is an integer number (5074080).

Almost surely, 252791207 is an apocalyptic number.

52791207 is a deficient number, since it is larger than the sum of its proper divisors (28394073).

52791207 is a wasteful number, since it uses less digits than its factorization.

52791207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23182.

The product of its (nonzero) digits is 8820, while the sum is 33.

The square root of 52791207 is about 7265.7557762424. The cubic root of 52791207 is about 375.1346645243.

The spelling of 52791207 in words is "fifty-two million, seven hundred ninety-one thousand, two hundred seven".

Divisors: 1 3 7 21 109 327 763 2289 23063 69189 161441 484323 2513867 7541601 17597069 52791207