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1489679697 = 31145141809
BaseRepresentation
bin101100011001010…
…1011010101010001
310211211002120101010
41120302223111101
511022324222242
6403453001133
751626032332
oct13062532521
93754076333
101489679697
116a4981450
12356a831a9
131a981a99c
14101bb8289
158abab89c
hex58cab551

1489679697 has 8 divisors (see below), whose sum is σ = 2166806880. Its totient is φ = 902836160.

The previous prime is 1489679687. The next prime is 1489679713. The reversal of 1489679697 is 7969769841.

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 1489679697 - 28 = 1489679441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1489679677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22570872 + ... + 22570937.

It is an arithmetic number, because the mean of its divisors is an integer number (270850860).

Almost surely, 21489679697 is an apocalyptic number.

It is an amenable number.

1489679697 is a deficient number, since it is larger than the sum of its proper divisors (677127183).

1489679697 is a wasteful number, since it uses less digits than its factorization.

1489679697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45141823.

The product of its digits is 41150592, while the sum is 66.

The square root of 1489679697 is about 38596.3689613414. The cubic root of 1489679697 is about 1142.0829101884.

It can be divided in two parts, 1489 and 679697, that added together give a palindrome (681186).

The spelling of 1489679697 in words is "one billion, four hundred eighty-nine million, six hundred seventy-nine thousand, six hundred ninety-seven".

Divisors: 1 3 11 33 45141809 135425427 496559899 1489679697