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58668321 = 319556107
BaseRepresentation
bin1101111111001…
…1010100100001
311002101122210210
43133303110201
5110004341241
65453244333
71311446445
oct337632441
9132348723
1058668321
1130131418
12177936a9
13c201aaa
147b12825
15523d316
hex37f3521

58668321 has 4 divisors (see below), whose sum is σ = 78224432. Its totient is φ = 39112212.

The previous prime is 58668319. The next prime is 58668329. The reversal of 58668321 is 12386685.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 58668321 - 21 = 58668319 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 58668321.

It is not an unprimeable number, because it can be changed into a prime (58668329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9778051 + ... + 9778056.

It is an arithmetic number, because the mean of its divisors is an integer number (19556108).

Almost surely, 258668321 is an apocalyptic number.

It is an amenable number.

58668321 is a deficient number, since it is larger than the sum of its proper divisors (19556111).

58668321 is a wasteful number, since it uses less digits than its factorization.

58668321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19556110.

The product of its digits is 69120, while the sum is 39.

The square root of 58668321 is about 7659.5248547152. The cubic root of 58668321 is about 388.5687645473.

The spelling of 58668321 in words is "fifty-eight million, six hundred sixty-eight thousand, three hundred twenty-one".

Divisors: 1 3 19556107 58668321