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899992241 = 2069434989
BaseRepresentation
bin110101101001001…
…100101010110001
32022201111100020222
4311221030222301
53320344222431
6225145542425
731205544041
oct6551145261
92281440228
10899992241
11422027545
122114a4a15
131145c2cb5
1487757721
155402957b
hex35a4cab1

899992241 has 4 divisors (see below), whose sum is σ = 900429300. Its totient is φ = 899555184.

The previous prime is 899992207. The next prime is 899992243. The reversal of 899992241 is 142299998.

899992241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 142299998 = 271149999.

It can be written as a sum of positive squares in 2 ways, for example, as 570206641 + 329785600 = 23879^2 + 18160^2 .

It is a cyclic number.

It is not a de Polignac number, because 899992241 - 210 = 899991217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (899992243) 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, 215426 + ... + 219563.

It is an arithmetic number, because the mean of its divisors is an integer number (225107325).

Almost surely, 2899992241 is an apocalyptic number.

It is an amenable number.

899992241 is a deficient number, since it is larger than the sum of its proper divisors (437059).

899992241 is a wasteful number, since it uses less digits than its factorization.

899992241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437058.

The product of its digits is 839808, while the sum is 53.

The square root of 899992241 is about 29999.8706830546. The cubic root of 899992241 is about 965.4866100672.

The spelling of 899992241 in words is "eight hundred ninety-nine million, nine hundred ninety-two thousand, two hundred forty-one".

Divisors: 1 2069 434989 899992241