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58129288 = 2372257577
BaseRepresentation
bin1101110110111…
…1101110001000
311001101021101121
43131233232020
5104340114123
65433525024
71304043100
oct335575610
9131337347
1058129288
112a8a3438
1217573774
13c073639
147a12200
15518375d
hex376fb88

58129288 has 48 divisors (see below), whose sum is σ = 127501020. Its totient is φ = 24772608.

The previous prime is 58129283. The next prime is 58129319. The reversal of 58129288 is 88292185.

It can be written as a sum of positive squares in 2 ways, for example, as 35070084 + 23059204 = 5922^2 + 4802^2 .

It is not an unprimeable number, because it can be changed into a prime (58129283) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100456 + ... + 101032.

Almost surely, 258129288 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 58129288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63750510).

58129288 is an abundant number, since it is smaller than the sum of its proper divisors (69371732).

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

58129288 is a wasteful number, since it uses less digits than its factorization.

58129288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854 (or 843 counting only the distinct ones).

The product of its digits is 92160, while the sum is 43.

The square root of 58129288 is about 7624.2565539205. The cubic root of 58129288 is about 387.3750700981.

The spelling of 58129288 in words is "fifty-eight million, one hundred twenty-nine thousand, two hundred eighty-eight".

Divisors: 1 2 4 7 8 14 28 49 56 98 196 257 392 514 577 1028 1154 1799 2056 2308 3598 4039 4616 7196 8078 12593 14392 16156 25186 28273 32312 50372 56546 100744 113092 148289 226184 296578 593156 1038023 1186312 2076046 4152092 7266161 8304184 14532322 29064644 58129288