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380901100 = 225213727803
BaseRepresentation
bin10110101101000…
…001011011101100
3222112201210002011
4112231001123230
51240002313400
6101444011004
712303414556
oct2655013354
9875653064
10380901100
111860106a8
12a7690a64
1360bb5388
14388324d6
152368e8ba
hex16b416ec

380901100 has 36 divisors (see below), whose sum is σ = 832618584. Its totient is φ = 151242880.

The previous prime is 380901077. The next prime is 380901121. The reversal of 380901100 is 1109083.

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, 202 + ... + 27601.

It is an arithmetic number, because the mean of its divisors is an integer number (23128294).

Almost surely, 2380901100 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 380901100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (416309292).

380901100 is an abundant number, since it is smaller than the sum of its proper divisors (451717484).

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

380901100 is a wasteful number, since it uses less digits than its factorization.

380901100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27954 (or 27947 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 380901100 is about 19516.6877312724. The cubic root of 380901100 is about 724.8877194333.

The spelling of 380901100 in words is "three hundred eighty million, nine hundred one thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 137 274 548 685 1370 2740 3425 6850 13700 27803 55606 111212 139015 278030 556060 695075 1390150 2780300 3809011 7618022 15236044 19045055 38090110 76180220 95225275 190450550 380901100