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381000712 = 2347625089
BaseRepresentation
bin10110101101011…
…001110000001000
3222112220211201111
4112231121300020
51240014010322
6101450100104
712304311151
oct2655316010
9875824644
10381000712
11186079524
12a771a634
1360c1b811
143885a928
15236ae177
hex16b59c08

381000712 has 8 divisors (see below), whose sum is σ = 714376350. Its totient is φ = 190500352.

The previous prime is 381000691. The next prime is 381000713. The reversal of 381000712 is 217000183.

It can be written as a sum of positive squares in only one way, i.e., 371178756 + 9821956 = 19266^2 + 3134^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (381000713) by changing a digit.

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 as a sum of consecutive naturals, namely, 23812537 + ... + 23812552.

Almost surely, 2381000712 is an apocalyptic number.

It is an amenable number.

381000712 is a deficient number, since it is larger than the sum of its proper divisors (333375638).

381000712 is a wasteful number, since it uses less digits than its factorization.

381000712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47625095 (or 47625091 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 381000712 is about 19519.2395343671. The cubic root of 381000712 is about 724.9509040079.

Adding to 381000712 its reverse (217000183), we get a palindrome (598000895).

The spelling of 381000712 in words is "three hundred eighty-one million, seven hundred twelve", and thus it is an aban number.

Divisors: 1 2 4 8 47625089 95250178 190500356 381000712