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2489156 = 223072027
BaseRepresentation
bin1001011111101101000100
311200110110222
421133231010
51114123111
6125203512
730105005
oct11375504
94613428
102489156
11145015a
12a00598
13691c97
1448b1ac
153427db
hex25fb44

2489156 has 12 divisors (see below), whose sum is σ = 4372368. Its totient is φ = 1239912.

The previous prime is 2489147. The next prime is 2489159. The reversal of 2489156 is 6519842.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2489159) 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, 215 + ... + 2241.

It is an arithmetic number, because the mean of its divisors is an integer number (364364).

22489156 is an apocalyptic number.

It is an amenable number.

2489156 is a deficient number, since it is larger than the sum of its proper divisors (1883212).

2489156 is a wasteful number, since it uses less digits than its factorization.

2489156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2338 (or 2336 counting only the distinct ones).

The product of its digits is 17280, while the sum is 35.

The square root of 2489156 is about 1577.7059295065. The cubic root of 2489156 is about 135.5243621178.

The spelling of 2489156 in words is "two million, four hundred eighty-nine thousand, one hundred fifty-six".

Divisors: 1 2 4 307 614 1228 2027 4054 8108 622289 1244578 2489156