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380950380 = 22325192329167
BaseRepresentation
bin10110101101001…
…101011101101100
3222112211021200100
4112231031131230
51240010403010
6101445031100
712304011336
oct2655153554
9875737610
10380950380
11186044728
12a76b5490
1360c01935
1438846456
152369e2c0
hex16b4d76c

380950380 has 288 divisors, whose sum is σ = 1320883200. Its totient is φ = 88349184.

The previous prime is 380950333. The next prime is 380950411. The reversal of 380950380 is 83059083.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2281057 + ... + 2281223.

It is an arithmetic number, because the mean of its divisors is an integer number (4586400).

Almost surely, 2380950380 is an apocalyptic number.

380950380 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 380950380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (660441600).

380950380 is an abundant number, since it is smaller than the sum of its proper divisors (939932820).

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

380950380 is a wasteful number, since it uses less digits than its factorization.

380950380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253 (or 248 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 380950380 is about 19517.9501997520. The cubic root of 380950380 is about 724.9189794518.

The spelling of 380950380 in words is "three hundred eighty million, nine hundred fifty thousand, three hundred eighty".