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898461493 = 19213011913
BaseRepresentation
bin110101100011010…
…110111100110101
32022121121120110121
4311203112330311
53320001231433
6225053051541
731156540156
oct6543267465
92277546417
10898461493
11421181466
12210a86bb1
131141a8327
148747992d
1553d25c2d
hex358d6f35

898461493 has 12 divisors (see below), whose sum is σ = 949462668. Its totient is φ = 850075200.

The previous prime is 898461469. The next prime is 898461511. The reversal of 898461493 is 394164898.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 304223364 + 594238129 = 17442^2 + 24377^2 .

It is not a de Polignac number, because 898461493 - 25 = 898461461 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 898461493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (898461293) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 468705 + ... + 470617.

It is an arithmetic number, because the mean of its divisors is an integer number (79121889).

Almost surely, 2898461493 is an apocalyptic number.

It is an amenable number.

898461493 is a deficient number, since it is larger than the sum of its proper divisors (51001175).

898461493 is a wasteful number, since it uses less digits than its factorization.

898461493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3252 (or 3233 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 52.

The square root of 898461493 is about 29974.3472489394. The cubic root of 898461493 is about 964.9389181630.

The spelling of 898461493 in words is "eight hundred ninety-eight million, four hundred sixty-one thousand, four hundred ninety-three".

Divisors: 1 19 361 1301 1913 24719 36347 469661 690593 2488813 47287447 898461493