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1494427487 = 7227940483
BaseRepresentation
bin101100100010011…
…0010011101011111
310212011000210010012
41121010302131133
511030033134422
6404142433435
752014265310
oct13104623537
93764023105
101494427487
116a7624543
1235859287b
131aa7c0a27
14102692607
158b2e84e2
hex5913275f

1494427487 has 8 divisors (see below), whose sum is σ = 1715442816. Its totient is φ = 1275293592.

The previous prime is 1494427477. The next prime is 1494427499. The reversal of 1494427487 is 7847244941.

1494427487 = T498 + T499 + ... + T2086.

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 1494427487 - 214 = 1494411103 is a prime.

It is a super-2 number, since 2×14944274872 = 4466627027802270338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1494427477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 468653 + ... + 471830.

It is an arithmetic number, because the mean of its divisors is an integer number (214430352).

Almost surely, 21494427487 is an apocalyptic number.

1494427487 is a deficient number, since it is larger than the sum of its proper divisors (221015329).

1494427487 is an equidigital number, since it uses as much as digits as its factorization.

1494427487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 940717.

The product of its digits is 1806336, while the sum is 50.

The square root of 1494427487 is about 38657.8256889857. The cubic root of 1494427487 is about 1143.2949424182.

The spelling of 1494427487 in words is "one billion, four hundred ninety-four million, four hundred twenty-seven thousand, four hundred eighty-seven".

Divisors: 1 7 227 1589 940483 6583381 213489641 1494427487