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380065550 = 25219400069
BaseRepresentation
bin10110101001110…
…101011100001110
3222111011022220212
4112221311130032
51234244044200
6101414042422
712263334554
oct2651653416
9874138825
10380065550
1118559a967
12a7349412
1360981c77
1438695bd4
1523577035
hex16a7570e

380065550 has 24 divisors (see below), whose sum is σ = 744130200. Its totient is φ = 144024480.

The previous prime is 380065541. The next prime is 380065577. The reversal of 380065550 is 55560083.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 199085 + ... + 200984.

It is an arithmetic number, because the mean of its divisors is an integer number (31005425).

Almost surely, 2380065550 is an apocalyptic number.

380065550 is a deficient number, since it is larger than the sum of its proper divisors (364064650).

380065550 is a wasteful number, since it uses less digits than its factorization.

380065550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400100 (or 400095 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 380065550 is about 19495.2699391416. The cubic root of 380065550 is about 724.3572900992.

The spelling of 380065550 in words is "three hundred eighty million, sixty-five thousand, five hundred fifty".

Divisors: 1 2 5 10 19 25 38 50 95 190 475 950 400069 800138 2000345 4000690 7601311 10001725 15202622 20003450 38006555 76013110 190032775 380065550