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58446989 = 571102359
BaseRepresentation
bin1101111011110…
…1010010001101
311001222102012022
43132331102031
5104430300424
65444415525
71306535246
oct336752215
9131872168
1058446989
112aaa00a7
12176a75a5
13c155123
147a95ccd
1551e795e
hex37bd48d

58446989 has 4 divisors (see below), whose sum is σ = 58549920. Its totient is φ = 58344060.

The previous prime is 58446961. The next prime is 58447001. The reversal of 58446989 is 98964485.

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 a cyclic number.

It is not a de Polignac number, because 58446989 - 212 = 58442893 is a prime.

It is a super-2 number, since 2×584469892 = 6832101046332242, which contains 22 as substring.

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 58446989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58446959) 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, 50609 + ... + 51750.

It is an arithmetic number, because the mean of its divisors is an integer number (14637480).

Almost surely, 258446989 is an apocalyptic number.

It is an amenable number.

58446989 is a deficient number, since it is larger than the sum of its proper divisors (102931).

58446989 is a wasteful number, since it uses less digits than its factorization.

58446989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102930.

The product of its digits is 2488320, while the sum is 53.

The square root of 58446989 is about 7645.0630474837. The cubic root of 58446989 is about 388.0795108423.

The spelling of 58446989 in words is "fifty-eight million, four hundred forty-six thousand, nine hundred eighty-nine".

Divisors: 1 571 102359 58446989