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893053489 = 979206737
BaseRepresentation
bin110101001110101…
…110101000110001
32022020102211002011
4311032232220301
53312110202424
6224341122521
731062554326
oct6516565061
92266384064
10893053489
11419118339
1220b0b9441
13113033923
148686cb4d
1553608694
hex353aea31

893053489 has 4 divisors (see below), whose sum is σ = 902260324. Its totient is φ = 883846656.

The previous prime is 893053471. The next prime is 893053493. The reversal of 893053489 is 984350398.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 984350398 = 2492175199.

It can be written as a sum of positive squares in 2 ways, for example, as 460746225 + 432307264 = 21465^2 + 20792^2 .

It is a cyclic number.

It is not a de Polignac number, because 893053489 - 213 = 893045297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (893057489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4603272 + ... + 4603465.

It is an arithmetic number, because the mean of its divisors is an integer number (225565081).

Almost surely, 2893053489 is an apocalyptic number.

It is an amenable number.

893053489 is a deficient number, since it is larger than the sum of its proper divisors (9206835).

893053489 is an equidigital number, since it uses as much as digits as its factorization.

893053489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9206834.

The product of its (nonzero) digits is 933120, while the sum is 49.

The square root of 893053489 is about 29884.0005521349. Note that the first 3 decimals coincide. The cubic root of 893053489 is about 962.9989727199.

The spelling of 893053489 in words is "eight hundred ninety-three million, fifty-three thousand, four hundred eighty-nine".

Divisors: 1 97 9206737 893053489