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380424280 = 2359510607
BaseRepresentation
bin10110101011001…
…101000001011000
3222111211120000011
4112223031001120
51234342034110
6101425451304
712266360455
oct2653150130
9874746004
10380424280
11185815435
12a74a0b34
1360a79332
143874a82c
15235e848a
hex16acd058

380424280 has 16 divisors (see below), whose sum is σ = 855954720. Its totient is φ = 152169696.

The previous prime is 380424259. The next prime is 380424287. The reversal of 380424280 is 82424083.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380424287) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4755264 + ... + 4755343.

It is an arithmetic number, because the mean of its divisors is an integer number (53497170).

Almost surely, 2380424280 is an apocalyptic number.

It is an amenable number.

380424280 is an abundant number, since it is smaller than the sum of its proper divisors (475530440).

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

380424280 is a wasteful number, since it uses less digits than its factorization.

380424280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9510618 (or 9510614 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 31.

The square root of 380424280 is about 19504.4682060291. The cubic root of 380424280 is about 724.5851165707.

The spelling of 380424280 in words is "three hundred eighty million, four hundred twenty-four thousand, two hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 9510607 19021214 38042428 47553035 76084856 95106070 190212140 380424280