Search a number
-
+
58642493 = 7132192609
BaseRepresentation
bin1101111110110…
…1000000111101
311002100100101012
43133231000331
5110003024433
65452525005
71311311240
oct337550075
9132310335
1058642493
1130113a78
1217780765
13c1c3100
147b07257
155235848
hex37ed03d

58642493 has 24 divisors (see below), whose sum is σ = 76420800. Its totient is φ = 43939584.

The previous prime is 58642477. The next prime is 58642513. The reversal of 58642493 is 39424685.

It is not a de Polignac number, because 58642493 - 24 = 58642477 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 58642493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58642403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21173 + ... + 23781.

It is an arithmetic number, because the mean of its divisors is an integer number (3184200).

Almost surely, 258642493 is an apocalyptic number.

It is an amenable number.

58642493 is a deficient number, since it is larger than the sum of its proper divisors (17778307).

58642493 is a wasteful number, since it uses less digits than its factorization.

58642493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2661 (or 2648 counting only the distinct ones).

The product of its digits is 207360, while the sum is 41.

The square root of 58642493 is about 7657.8386637484. The cubic root of 58642493 is about 388.5117353194.

The spelling of 58642493 in words is "fifty-eight million, six hundred forty-two thousand, four hundred ninety-three".

Divisors: 1 7 13 19 91 133 169 247 1183 1729 2609 3211 18263 22477 33917 49571 237419 346997 440921 644423 3086447 4510961 8377499 58642493