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8999253 = 32999917
BaseRepresentation
bin100010010101…
…000101010101
3121221012122200
4202111011111
54300434003
6520515113
7136330614
oct42250525
917835580
108999253
1150972aa
12301ba99
131b31203
1412a387b
15bcb6a3
hex895155

8999253 has 6 divisors (see below), whose sum is σ = 12998934. Its totient is φ = 5999496.

The previous prime is 8999219. The next prime is 8999257. The reversal of 8999253 is 3529998.

It can be written as a sum of positive squares in only one way, i.e., 8892324 + 106929 = 2982^2 + 327^2 .

It is not a de Polignac number, because 8999253 - 26 = 8999189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8999199 and 8999208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8999257) 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, 499950 + ... + 499967.

It is an arithmetic number, because the mean of its divisors is an integer number (2166489).

Almost surely, 28999253 is an apocalyptic number.

It is an amenable number.

8999253 is a deficient number, since it is larger than the sum of its proper divisors (3999681).

8999253 is a wasteful number, since it uses less digits than its factorization.

8999253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999923 (or 999920 counting only the distinct ones).

The product of its digits is 174960, while the sum is 45.

The square root of 8999253 is about 2999.8754974165. The cubic root of 8999253 is about 208.0026272474.

The spelling of 8999253 in words is "eight million, nine hundred ninety-nine thousand, two hundred fifty-three".

Divisors: 1 3 9 999917 2999751 8999253