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58439980 = 22516717497
BaseRepresentation
bin1101111011101…
…1100100101100
311001222001120201
43132323210230
5104430034410
65444323244
71306505644
oct336734454
9131861521
1058439980
112aa95905
12176a3524
13c151b91
147a93524
1551e583a
hex37bb92c

58439980 has 24 divisors (see below), whose sum is σ = 123465888. Its totient is φ = 23234688.

The previous prime is 58439977. The next prime is 58440007. The reversal of 58439980 is 8993485.

It is a self number, because there is not a number n which added to its sum of digits gives 58439980.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5409 + ... + 12088.

It is an arithmetic number, because the mean of its divisors is an integer number (5144412).

Almost surely, 258439980 is an apocalyptic number.

It is an amenable number.

58439980 is an abundant number, since it is smaller than the sum of its proper divisors (65025908).

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

58439980 is a wasteful number, since it uses less digits than its factorization.

58439980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17673 (or 17671 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 46.

The square root of 58439980 is about 7644.6046333345. The cubic root of 58439980 is about 388.0639973084.

The spelling of 58439980 in words is "fifty-eight million, four hundred thirty-nine thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 167 334 668 835 1670 3340 17497 34994 69988 87485 174970 349940 2921999 5843998 11687996 14609995 29219990 58439980