Search a number
-
+
254216072 = 23114170459
BaseRepresentation
bin11110010011100…
…00011110001000
3122201100111220002
433021300132020
51010034403242
641120422132
76204541505
oct1711603610
9581314802
10254216072
11120553330
1271177948
134088a716
1425a964ac
15174b8432
hexf270788

254216072 has 32 divisors (see below), whose sum is σ = 532677600. Its totient is φ = 112732800.

The previous prime is 254216071. The next prime is 254216077. The reversal of 254216072 is 270612452.

It is a happy number.

254216072 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2542160722 = 129251622526218368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (254216071) 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 7 ways as a sum of consecutive naturals, for example, 31622 + ... + 38837.

It is an arithmetic number, because the mean of its divisors is an integer number (16646175).

Almost surely, 2254216072 is an apocalyptic number.

254216072 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

254216072 is an abundant number, since it is smaller than the sum of its proper divisors (278461528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

254216072 is a wasteful number, since it uses less digits than its factorization.

254216072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70517 (or 70513 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 254216072 is about 15944.1547910198. The cubic root of 254216072 is about 633.4820809128.

The spelling of 254216072 in words is "two hundred fifty-four million, two hundred sixteen thousand, seventy-two".

Divisors: 1 2 4 8 11 22 41 44 82 88 164 328 451 902 1804 3608 70459 140918 281836 563672 775049 1550098 2888819 3100196 5777638 6200392 11555276 23110552 31777009 63554018 127108036 254216072