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1494275081 = 13373106601
BaseRepresentation
bin101100100010000…
…1101010000001001
310212010202001001112
41121010031100021
511030013300311
6404135300105
752013062055
oct13104152011
93763661045
101494275081
116a752aa92
1235851a635
131aa769550
14102652c65
158b2b828b
hex5910d409

1494275081 has 8 divisors (see below), whose sum is σ = 1652712264. Its totient is φ = 1342051200.

The previous prime is 1494275047. The next prime is 1494275099. The reversal of 1494275081 is 1805724941.

It can be written as a sum of positive squares in 4 ways, for example, as 246772681 + 1247502400 = 15709^2 + 35320^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1494275081 - 226 = 1427166217 is a prime.

It is a super-2 number, since 2×14942750812 = 4465716035395113122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1494278081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1552820 + ... + 1553781.

It is an arithmetic number, because the mean of its divisors is an integer number (206589033).

Almost surely, 21494275081 is an apocalyptic number.

It is an amenable number.

1494275081 is a deficient number, since it is larger than the sum of its proper divisors (158437183).

1494275081 is a wasteful number, since it uses less digits than its factorization.

1494275081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3106651.

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 1494275081 is about 38655.8544207731. The cubic root of 1494275081 is about 1143.2560755982.

The spelling of 1494275081 in words is "one billion, four hundred ninety-four million, two hundred seventy-five thousand, eighty-one".

Divisors: 1 13 37 481 3106601 40385813 114944237 1494275081