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381382302 = 2379080531
BaseRepresentation
bin10110101110110…
…110111010011110
3222120122020011110
4112232312322132
51240113213202
6101502202450
712310460520
oct2656667236
9876566143
10381382302
1118630a194
12a7883426
1361023402
1438919a10
152373726c
hex16bb6e9e

381382302 has 16 divisors (see below), whose sum is σ = 871731072. Its totient is φ = 108966360.

The previous prime is 381382283. The next prime is 381382303. The reversal of 381382302 is 203283183.

It is a self number, because there is not a number n which added to its sum of digits gives 381382302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381382303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4540224 + ... + 4540307.

It is an arithmetic number, because the mean of its divisors is an integer number (54483192).

Almost surely, 2381382302 is an apocalyptic number.

381382302 is an abundant number, since it is smaller than the sum of its proper divisors (490348770).

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

381382302 is a wasteful number, since it uses less digits than its factorization.

381382302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9080543.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 381382302 is about 19529.0118029561. The cubic root of 381382302 is about 725.1928473115.

The spelling of 381382302 in words is "three hundred eighty-one million, three hundred eighty-two thousand, three hundred two".

Divisors: 1 2 3 6 7 14 21 42 9080531 18161062 27241593 54483186 63563717 127127434 190691151 381382302