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381367044 = 223210593529
BaseRepresentation
bin10110101110110…
…011001100000100
3222120121110020100
4112232303030010
51240112221134
6101502004100
712310365162
oct2656631404
9876543210
10381367044
111862a9783
12a7876630
1361019496
1438914232
1523732999
hex16bb3304

381367044 has 18 divisors (see below), whose sum is σ = 964011230. Its totient is φ = 127122336.

The previous prime is 381367009. The next prime is 381367067. The reversal of 381367044 is 440763183.

381367044 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

381367044 is an esthetic number in base 9, because in such base it adjacent digits differ by 1.

It can be written as a sum of positive squares in only one way, i.e., 379080900 + 2286144 = 19470^2 + 1512^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 10593529 = 381367044 / (3 + 8 + 1 + 3 + 6 + 7 + 0 + 4 + 4).

381367044 is strictly pandigital in base 9.

It is a nialpdrome in base 9.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5296729 + ... + 5296800.

Almost surely, 2381367044 is an apocalyptic number.

It is an amenable number.

381367044 is an abundant number, since it is smaller than the sum of its proper divisors (582644186).

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

381367044 is a wasteful number, since it uses less digits than its factorization.

381367044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10593539 (or 10593534 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 381367044 is about 19528.6211494821. The cubic root of 381367044 is about 725.1831762283.

The spelling of 381367044 in words is "three hundred eighty-one million, three hundred sixty-seven thousand, forty-four".

Divisors: 1 2 3 4 6 9 12 18 36 10593529 21187058 31780587 42374116 63561174 95341761 127122348 190683522 381367044