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58145820 = 2235969097
BaseRepresentation
bin1101110111001…
…1110000011100
311001102010001220
43131303300130
5104341131240
65434133340
71304142225
oct335636034
9131363056
1058145820
112a9048a7
1217581250
13c07b015
147a1824c
1551885d0
hex3773c1c

58145820 has 24 divisors (see below), whose sum is σ = 162808464. Its totient is φ = 15505536.

The previous prime is 58145809. The next prime is 58145821. The reversal of 58145820 is 2854185.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58145821) 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, 484489 + ... + 484608.

It is an arithmetic number, because the mean of its divisors is an integer number (6783686).

Almost surely, 258145820 is an apocalyptic number.

It is an amenable number.

58145820 is an abundant number, since it is smaller than the sum of its proper divisors (104662644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

58145820 is a wasteful number, since it uses less digits than its factorization.

58145820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969109 (or 969107 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 33.

The square root of 58145820 is about 7625.3406481284. The cubic root of 58145820 is about 387.4117898417.

The spelling of 58145820 in words is "fifty-eight million, one hundred forty-five thousand, eight hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 969097 1938194 2907291 3876388 4845485 5814582 9690970 11629164 14536455 19381940 29072910 58145820