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380823540 = 22356347059
BaseRepresentation
bin10110101100101…
…110011111110100
3222112120211200120
4112230232133310
51234442323130
6101442211540
712302642466
oct2654563764
9875524616
10380823540
11185a683a9
12a7653bb0
1360b88c96
1438812136
1523676910
hex16b2e7f4

380823540 has 24 divisors (see below), whose sum is σ = 1066306080. Its totient is φ = 101552928.

The previous prime is 380823463. The next prime is 380823551. The reversal of 380823540 is 45328083.

It is a congruent number.

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, 3173470 + ... + 3173589.

It is an arithmetic number, because the mean of its divisors is an integer number (44429420).

Almost surely, 2380823540 is an apocalyptic number.

380823540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

380823540 is an abundant number, since it is smaller than the sum of its proper divisors (685482540).

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

380823540 is a wasteful number, since it uses less digits than its factorization.

380823540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6347071 (or 6347069 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 380823540 is about 19514.7006126151. The cubic root of 380823540 is about 724.8385149653.

The spelling of 380823540 in words is "three hundred eighty million, eight hundred twenty-three thousand, five hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 6347059 12694118 19041177 25388236 31735295 38082354 63470590 76164708 95205885 126941180 190411770 380823540