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2455489 = 15672
BaseRepresentation
bin1001010111011111000001
311121202022001
421113133001
51112033424
6124344001
726604601
oct11273701
94552261
102455489
111427933
129a5001
1367c86a
1447cc01
15337844
hex2577c1

2455489 has 3 divisors (see below), whose sum is σ = 2457057. Its totient is φ = 2453922.

The previous prime is 2455487. The next prime is 2455499. The reversal of 2455489 is 9845542.

The square root of 2455489 is 1567.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 2455489 - 21 = 2455487 is a prime.

It is a Duffinian number.

2455489 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2455487) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 784 + ... + 2350.

It is an arithmetic number, because the mean of its divisors is an integer number (819019).

22455489 is an apocalyptic number.

2455489 is the 1567-th square number.

2455489 is the 784-th centered octagonal number.

It is an amenable number.

2455489 is a deficient number, since it is larger than the sum of its proper divisors (1568).

2455489 is an frugal number, since it uses more digits than its factorization.

2455489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3134 (or 1567 counting only the distinct ones).

The product of its digits is 57600, while the sum is 37.

The cubic root of 2455489 is about 134.9105763529.

Multiplying 2455489 by its product of digits (57600), we get a square (141436166400 = 3760802).

The spelling of 2455489 in words is "two million, four hundred fifty-five thousand, four hundred eighty-nine".

Divisors: 1 1567 2455489