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58068805 = 515773973
BaseRepresentation
bin1101110110000…
…0111101000101
311001021012102111
43131200331011
5104331200210
65432341021
71303401544
oct335407505
9131235374
1058068805
112a861a53
1217544771
13c051c52
1479d815b
15517088a
hex3760f45

58068805 has 8 divisors (see below), whose sum is σ = 70127352. Its totient is φ = 46158528.

The previous prime is 58068781. The next prime is 58068809. The reversal of 58068805 is 50886085.

It can be written as a sum of positive squares in 4 ways, for example, as 6315169 + 51753636 = 2513^2 + 7194^2 .

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 58068805 - 215 = 58036037 is a prime.

It is a super-2 number, since 2×580688052 = 6743972228256050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58068809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36202 + ... + 37771.

It is an arithmetic number, because the mean of its divisors is an integer number (8765919).

Almost surely, 258068805 is an apocalyptic number.

It is an amenable number.

58068805 is a deficient number, since it is larger than the sum of its proper divisors (12058547).

58068805 is a wasteful number, since it uses less digits than its factorization.

58068805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74135.

The product of its (nonzero) digits is 76800, while the sum is 40.

The square root of 58068805 is about 7620.2890365130. The cubic root of 58068805 is about 387.2406700508.

The spelling of 58068805 in words is "fifty-eight million, sixty-eight thousand, eight hundred five".

Divisors: 1 5 157 785 73973 369865 11613761 58068805