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381227416 = 2379759791
BaseRepresentation
bin10110101110010…
…001000110011000
3222120100100200221
4112232101012120
51240043234131
6101455005424
712306244123
oct2656210630
9876310627
10381227416
11186213889
12a7809874
1360c9aa6b
14388b93ba
1523706411
hex16b91198

381227416 has 16 divisors (see below), whose sum is σ = 715710240. Its totient is φ = 190371360.

The previous prime is 381227401. The next prime is 381227453. The reversal of 381227416 is 614722183.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23520 + ... + 36271.

It is an arithmetic number, because the mean of its divisors is an integer number (44731890).

Almost surely, 2381227416 is an apocalyptic number.

It is an amenable number.

381227416 is a deficient number, since it is larger than the sum of its proper divisors (334482824).

381227416 is a wasteful number, since it uses less digits than its factorization.

381227416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60594 (or 60590 counting only the distinct ones).

The product of its digits is 16128, while the sum is 34.

The square root of 381227416 is about 19525.0458642227. The cubic root of 381227416 is about 725.0946628673.

Adding to 381227416 its reverse (614722183), we get a palindrome (995949599).

The spelling of 381227416 in words is "three hundred eighty-one million, two hundred twenty-seven thousand, four hundred sixteen".

Divisors: 1 2 4 8 797 1594 3188 6376 59791 119582 239164 478328 47653427 95306854 190613708 381227416