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1382468656 = 243892571
BaseRepresentation
bin101001001100110…
…1100110000110000
310120100100200110211
41102121230300300
510312402444111
6345103033504
746154534602
oct12231546060
93510320424
101382468656
1164a405188
12326b9b894
13190550bba
14d186b172
1581580521
hex5266cc30

1382468656 has 30 divisors (see below), whose sum is σ = 2690139452. Its totient is φ = 688249920.

The previous prime is 1382468651. The next prime is 1382468677. The reversal of 1382468656 is 6568642831.

It is a happy number.

It is a super-2 number, since 2×13824686562 = 3822439169644892672, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1382468651) 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 in 5 ways as a sum of consecutive naturals, for example, 2420851 + ... + 2421421.

Almost surely, 21382468656 is an apocalyptic number.

1382468656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1382468656 is a deficient number, since it is larger than the sum of its proper divisors (1307670796).

1382468656 is an frugal number, since it uses more digits than its factorization.

1382468656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1357 (or 962 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 49.

The square root of 1382468656 is about 37181.5633883246. The cubic root of 1382468656 is about 1113.9997614819. Note that the first 3 decimals are identical.

The spelling of 1382468656 in words is "one billion, three hundred eighty-two million, four hundred sixty-eight thousand, six hundred fifty-six".

Divisors: 1 2 4 8 16 389 571 778 1142 1556 2284 3112 4568 6224 9136 151321 222119 302642 444238 605284 888476 1210568 1776952 2421136 3553904 86404291 172808582 345617164 691234328 1382468656