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58209380 = 22529100361
BaseRepresentation
bin1101111000001…
…1010001100100
311001112100020222
43132003101210
5104400200010
65435343512
71304525435
oct336032144
9131470228
1058209380
112a948629
12175b1b98
13c0a0c28
147a3348c
15519c355
hex3783464

58209380 has 24 divisors (see below), whose sum is σ = 126456120. Its totient is φ = 22480640.

The previous prime is 58209373. The next prime is 58209427. The reversal of 58209380 is 8390285.

It can be written as a sum of positive squares in 4 ways, for example, as 813604 + 57395776 = 902^2 + 7576^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 58209380.

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, 49601 + ... + 50760.

It is an arithmetic number, because the mean of its divisors is an integer number (5269005).

Almost surely, 258209380 is an apocalyptic number.

It is an amenable number.

58209380 is an abundant number, since it is smaller than the sum of its proper divisors (68246740).

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

58209380 is a wasteful number, since it uses less digits than its factorization.

58209380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100399 (or 100397 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 58209380 is about 7629.5071924732. The cubic root of 58209380 is about 387.5529001661.

The spelling of 58209380 in words is "fifty-eight million, two hundred nine thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 29 58 116 145 290 580 100361 200722 401444 501805 1003610 2007220 2910469 5820938 11641876 14552345 29104690 58209380