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381348288 = 2632662063
BaseRepresentation
bin10110101110101…
…110100111000000
3222120120111111200
4112232232213000
51240111121123
6101501341200
712310256406
oct2656564700
9876514450
10381348288
11186296682
12a7867800
1361010a99
143890b476
152372c143
hex16bae9c0

381348288 has 42 divisors (see below), whose sum is σ = 1093067664. Its totient is φ = 127115904.

The previous prime is 381348287. The next prime is 381348293. The reversal of 381348288 is 882843183.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381348281) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 330456 + ... + 331607.

Almost surely, 2381348288 is an apocalyptic number.

It is an amenable number.

381348288 is an abundant number, since it is smaller than the sum of its proper divisors (711719376).

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

381348288 is a wasteful number, since it uses less digits than its factorization.

381348288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662081 (or 662068 counting only the distinct ones).

The product of its digits is 294912, while the sum is 45.

The square root of 381348288 is about 19528.1409253416. The cubic root of 381348288 is about 725.1712876301.

The spelling of 381348288 in words is "three hundred eighty-one million, three hundred forty-eight thousand, two hundred eighty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 144 192 288 576 662063 1324126 1986189 2648252 3972378 5296504 5958567 7944756 10593008 11917134 15889512 21186016 23834268 31779024 42372032 47668536 63558048 95337072 127116096 190674144 381348288