Search a number
-
+
58407869 = 1317264289
BaseRepresentation
bin1101111011001…
…1101110111101
311001220102112102
43132303232331
5104423022434
65443514445
71306313222
oct336635675
9131812472
1058407869
112aa73773
1217688a25
13c140390
147a85949
1551db07e
hex37b3bbd

58407869 has 8 divisors (see below), whose sum is σ = 66601080. Its totient is φ = 50743296.

The previous prime is 58407863. The next prime is 58407911. The reversal of 58407869 is 96870485.

It can be written as a sum of positive squares in 4 ways, for example, as 84100 + 58323769 = 290^2 + 7637^2 .

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 58407869 - 212 = 58403773 is a prime.

It is a super-2 number, since 2×584078692 = 6822958322242322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58407863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131924 + ... + 132365.

It is an arithmetic number, because the mean of its divisors is an integer number (8325135).

Almost surely, 258407869 is an apocalyptic number.

It is an amenable number.

58407869 is a deficient number, since it is larger than the sum of its proper divisors (8193211).

58407869 is a wasteful number, since it uses less digits than its factorization.

58407869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264319.

The product of its (nonzero) digits is 483840, while the sum is 47.

The square root of 58407869 is about 7642.5041053309. The cubic root of 58407869 is about 387.9929078131.

The spelling of 58407869 in words is "fifty-eight million, four hundred seven thousand, eight hundred sixty-nine".

Divisors: 1 13 17 221 264289 3435757 4492913 58407869