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2480249 = 17145897
BaseRepresentation
bin1001011101100001111001
311200000021002
421131201321
51113331444
6125054345
730040022
oct11354171
94600232
102480249
1114444a2
129b73b5
1368ac05
14487c49
1533ed4e
hex25d879

2480249 has 4 divisors (see below), whose sum is σ = 2626164. Its totient is φ = 2334336.

The previous prime is 2480227. The next prime is 2480263. The reversal of 2480249 is 9420842.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1392400 + 1087849 = 1180^2 + 1043^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2480249 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2480209) 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, 72932 + ... + 72965.

It is an arithmetic number, because the mean of its divisors is an integer number (656541).

22480249 is an apocalyptic number.

It is an amenable number.

2480249 is a deficient number, since it is larger than the sum of its proper divisors (145915).

2480249 is a wasteful number, since it uses less digits than its factorization.

2480249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145914.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 2480249 is about 1574.8806303971. The cubic root of 2480249 is about 135.3625190168.

The spelling of 2480249 in words is "two million, four hundred eighty thousand, two hundred forty-nine".

Divisors: 1 17 145897 2480249