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580023380 = 22561475429
BaseRepresentation
bin100010100100100…
…111010001010100
31111102102020111102
4202210213101110
52141441222010
6133315525232
720242055156
oct4244472124
91442366442
10580023380
11278454172
121422b9818
1393223001
1457066ad6
1535dc3ba5
hex22927454

580023380 has 24 divisors (see below), whose sum is σ = 1238019720. Its totient is φ = 228205440.

The previous prime is 580023373. The next prime is 580023383. The reversal of 580023380 is 83320085.

It can be written as a sum of positive squares in 4 ways, for example, as 21362884 + 558660496 = 4622^2 + 23636^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (580023383) 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, 236495 + ... + 238934.

It is an arithmetic number, because the mean of its divisors is an integer number (51584155).

Almost surely, 2580023380 is an apocalyptic number.

It is an amenable number.

580023380 is an abundant number, since it is smaller than the sum of its proper divisors (657996340).

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

580023380 is a wasteful number, since it uses less digits than its factorization.

580023380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475499 (or 475497 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 580023380 is about 24083.6745535228. The cubic root of 580023380 is about 833.9662970621.

The spelling of 580023380 in words is "five hundred eighty million, twenty-three thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 61 122 244 305 610 1220 475429 950858 1901716 2377145 4754290 9508580 29001169 58002338 116004676 145005845 290011690 580023380