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238790060 = 22529411707
BaseRepresentation
bin11100011101110…
…10010110101100
3121122022210101022
432032322112230
5442112240220
635410033312
75626452635
oct1616722654
9548283338
10238790060
11112877563
1267b78838
133a6191c2
14239dc88c
1515e6c925
hexe3ba5ac

238790060 has 24 divisors (see below), whose sum is σ = 518752080. Its totient is φ = 92222144.

The previous prime is 238790059. The next prime is 238790093. The reversal of 238790060 is 60097832.

It is a self number, because there is not a number n which added to its sum of digits gives 238790060.

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, 205274 + ... + 206433.

It is an arithmetic number, because the mean of its divisors is an integer number (21614670).

Almost surely, 2238790060 is an apocalyptic number.

238790060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

238790060 is an abundant number, since it is smaller than the sum of its proper divisors (279962020).

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

238790060 is a wasteful number, since it uses less digits than its factorization.

238790060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411745 (or 411743 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 238790060 is about 15452.8333971476. The cubic root of 238790060 is about 620.4004177193.

The spelling of 238790060 in words is "two hundred thirty-eight million, seven hundred ninety thousand, sixty".

Divisors: 1 2 4 5 10 20 29 58 116 145 290 580 411707 823414 1646828 2058535 4117070 8234140 11939503 23879006 47758012 59697515 119395030 238790060