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381376800 = 253252722347
BaseRepresentation
bin10110101110110…
…101100100100000
3222120121221121200
4112232311210200
51240113024200
6101502121200
712310435500
oct2656654440
9876557550
10381376800
11186306042
12a7880200
1361020a5c
1438917a00
1523735800
hex16bb5920

381376800 has 648 divisors, whose sum is σ = 1667143296. Its totient is φ = 81607680.

The previous prime is 381376799. The next prime is 381376811. The reversal of 381376800 is 8673183.

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

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 8114377 + ... + 8114423.

It is an arithmetic number, because the mean of its divisors is an integer number (2572752).

Almost surely, 2381376800 is an apocalyptic number.

381376800 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 381376800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (833571648).

381376800 is an abundant number, since it is smaller than the sum of its proper divisors (1285766496).

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

381376800 is a wasteful number, since it uses less digits than its factorization.

381376800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110 (or 87 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 381376800 is about 19528.8709351053. The cubic root of 381376800 is about 725.1893599707.

The spelling of 381376800 in words is "three hundred eighty-one million, three hundred seventy-six thousand, eight hundred".