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241997913 = 3226888657
BaseRepresentation
bin11100110110010…
…01100001011001
3121212100202201200
432123021201121
5443422413123
640002504413
75665643163
oct1633114131
9555322650
10241997913
11114668683
1269065109
133b1a0341
14241d5933
15163a3143
hexe6c9859

241997913 has 6 divisors (see below), whose sum is σ = 349552554. Its totient is φ = 161331936.

The previous prime is 241997909. The next prime is 241997929. The reversal of 241997913 is 319799142.

241997913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 204690249 + 37307664 = 14307^2 + 6108^2 .

It is not a de Polignac number, because 241997913 - 22 = 241997909 is a prime.

It is not an unprimeable number, because it can be changed into a prime (241997933) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13444320 + ... + 13444337.

It is an arithmetic number, because the mean of its divisors is an integer number (58258759).

Almost surely, 2241997913 is an apocalyptic number.

It is an amenable number.

241997913 is a deficient number, since it is larger than the sum of its proper divisors (107554641).

241997913 is a wasteful number, since it uses less digits than its factorization.

241997913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26888663 (or 26888660 counting only the distinct ones).

The product of its digits is 122472, while the sum is 45.

The square root of 241997913 is about 15556.2821072389. The cubic root of 241997913 is about 623.1661770385.

The spelling of 241997913 in words is "two hundred forty-one million, nine hundred ninety-seven thousand, nine hundred thirteen".

Divisors: 1 3 9 26888657 80665971 241997913