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381480404 = 221921123789
BaseRepresentation
bin10110101111001…
…110110111010100
3222120211012201212
4112233032313110
51240124333104
6101504240552
712311346524
oct2657166724
9876735655
10381480404
11186376968
12a7910158
1361058c66
1438943684
152375636e
hex16bcedd4

381480404 has 24 divisors (see below), whose sum is σ = 706087200. Its totient is φ = 179837280.

The previous prime is 381480403. The next prime is 381480409. The reversal of 381480404 is 404084183.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381480401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4142 + ... + 27930.

It is an arithmetic number, because the mean of its divisors is an integer number (29420300).

Almost surely, 2381480404 is an apocalyptic number.

It is an amenable number.

381480404 is a deficient number, since it is larger than the sum of its proper divisors (324606796).

381480404 is a wasteful number, since it uses less digits than its factorization.

381480404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24023 (or 24021 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 381480404 is about 19531.5233404873. The cubic root of 381480404 is about 725.2550218184.

The spelling of 381480404 in words is "three hundred eighty-one million, four hundred eighty thousand, four hundred four".

Divisors: 1 2 4 19 38 76 211 422 844 4009 8018 16036 23789 47578 95156 451991 903982 1807964 5019479 10038958 20077916 95370101 190740202 381480404