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380438060 = 22567283909
BaseRepresentation
bin10110101011010…
…000011000101100
3222111212020220112
4112223100120230
51234343004220
6101430035152
712266445602
oct2653203054
9874766815
10380438060
11185824822
12a74a8ab8
1360a826a2
1438751872
15235ec5c5
hex16ad062c

380438060 has 24 divisors (see below), whose sum is σ = 810846960. Its totient is φ = 149903424.

The previous prime is 380438059. The next prime is 380438089. The reversal of 380438060 is 60834083.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140615 + ... + 143294.

It is an arithmetic number, because the mean of its divisors is an integer number (33785290).

Almost surely, 2380438060 is an apocalyptic number.

It is an amenable number.

380438060 is an abundant number, since it is smaller than the sum of its proper divisors (430408900).

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

380438060 is a wasteful number, since it uses less digits than its factorization.

380438060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283985 (or 283983 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 380438060 is about 19504.8214552197. The cubic root of 380438060 is about 724.5938652783.

The spelling of 380438060 in words is "three hundred eighty million, four hundred thirty-eight thousand, sixty".

Divisors: 1 2 4 5 10 20 67 134 268 335 670 1340 283909 567818 1135636 1419545 2839090 5678180 19021903 38043806 76087612 95109515 190219030 380438060