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58078831 = 532414547
BaseRepresentation
bin1101110110001…
…1011001101111
311001021201011211
43131203121233
5104332010311
65432455251
71303443016
oct335433157
9131251154
1058078831
112a869538
121754a527
13c056695
1479dba7d
155173821
hex376366f

58078831 has 8 divisors (see below), whose sum is σ = 59433264. Its totient is φ = 56734080.

The previous prime is 58078829. The next prime is 58078843. The reversal of 58078831 is 13887085.

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 58078831 - 21 = 58078829 is a prime.

It is a super-2 number, since 2×580788312 = 6746301220653122, 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 (58078861) 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, 10500 + ... + 15046.

It is an arithmetic number, because the mean of its divisors is an integer number (7429158).

Almost surely, 258078831 is an apocalyptic number.

58078831 is a deficient number, since it is larger than the sum of its proper divisors (1354433).

58078831 is a wasteful number, since it uses less digits than its factorization.

58078831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4841.

The product of its (nonzero) digits is 53760, while the sum is 40.

The square root of 58078831 is about 7620.9468571825. The cubic root of 58078831 is about 387.2629554043.

The spelling of 58078831 in words is "fifty-eight million, seventy-eight thousand, eight hundred thirty-one".

Divisors: 1 53 241 4547 12773 240991 1095827 58078831