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2489896 = 23311237
BaseRepresentation
bin1001011111111000101000
311200111111101
421133320220
51114134041
6125211144
730110113
oct11377050
94614441
102489896
111450772
12a00ab4
13692416
1448b57a
15342b31
hex25fe28

2489896 has 8 divisors (see below), whose sum is σ = 4668570. Its totient is φ = 1244944.

The previous prime is 2489891. The next prime is 2489909. The reversal of 2489896 is 6989842.

It can be written as a sum of positive squares in only one way, i.e., 2340900 + 148996 = 1530^2 + 386^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (2489891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155611 + ... + 155626.

22489896 is an apocalyptic number.

It is an amenable number.

2489896 is a deficient number, since it is larger than the sum of its proper divisors (2178674).

2489896 is a wasteful number, since it uses less digits than its factorization.

2489896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311243 (or 311239 counting only the distinct ones).

The product of its digits is 248832, while the sum is 46.

The square root of 2489896 is about 1577.9404298008. The cubic root of 2489896 is about 135.5377907782.

The spelling of 2489896 in words is "two million, four hundred eighty-nine thousand, eight hundred ninety-six".

Divisors: 1 2 4 8 311237 622474 1244948 2489896