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381417044 = 22531799137
BaseRepresentation
bin10110101110111…
…111011001010100
3222120200222211012
4112232333121110
51240120321134
6101503031352
712310664021
oct2656773124
9876628735
10381417044
111863332a8
12a789b558
1361036178
1438928548
15237426ce
hex16bbf654

381417044 has 12 divisors (see below), whose sum is σ = 680074164. Its totient is φ = 187110144.

The previous prime is 381417031. The next prime is 381417059. The reversal of 381417044 is 440714183.

It can be written as a sum of positive squares in 2 ways, for example, as 231648400 + 149768644 = 15220^2 + 12238^2 .

It is a super-2 number, since 2×3814170442 = 290957922907395872, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 381417044.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 899357 + ... + 899780.

It is an arithmetic number, because the mean of its divisors is an integer number (56672847).

Almost surely, 2381417044 is an apocalyptic number.

It is an amenable number.

381417044 is a deficient number, since it is larger than the sum of its proper divisors (298657120).

381417044 is a wasteful number, since it uses less digits than its factorization.

381417044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1799194 (or 1799192 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 381417044 is about 19529.9012798324. The cubic root of 381417044 is about 725.2148671106.

The spelling of 381417044 in words is "three hundred eighty-one million, four hundred seventeen thousand, forty-four".

Divisors: 1 2 4 53 106 212 1799137 3598274 7196548 95354261 190708522 381417044