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58508380 = 2257439719
BaseRepresentation
bin1101111100110…
…0010001011100
311002002112102001
43133030101130
5104434232010
65450012044
71310212240
oct337142134
9132075361
1058508380
1130032237
1217717024
13c177058
147ab0420
15520ac3a
hex37cc45c

58508380 has 48 divisors (see below), whose sum is σ = 143700480. Its totient is φ = 19591488.

The previous prime is 58508369. The next prime is 58508381. The reversal of 58508380 is 8380585.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58508381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1161 + ... + 10879.

It is an arithmetic number, because the mean of its divisors is an integer number (2993760).

Almost surely, 258508380 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 58508380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71850240).

58508380 is an abundant number, since it is smaller than the sum of its proper divisors (85192100).

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

58508380 is a wasteful number, since it uses less digits than its factorization.

58508380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9778 (or 9776 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 37.

The square root of 58508380 is about 7649.0770685096. The cubic root of 58508380 is about 388.2153390687.

The spelling of 58508380 in words is "fifty-eight million, five hundred eight thousand, three hundred eighty".

Divisors: 1 2 4 5 7 10 14 20 28 35 43 70 86 140 172 215 301 430 602 860 1204 1505 3010 6020 9719 19438 38876 48595 68033 97190 136066 194380 272132 340165 417917 680330 835834 1360660 1671668 2089585 2925419 4179170 5850838 8358340 11701676 14627095 29254190 58508380