Search a number
-
+
2497389 = 337149151
BaseRepresentation
bin1001100001101101101101
311200212202220
421201231231
51114404024
6125305553
730141006
oct11415555
94625686
102497389
111456364
12a052b9
1369595b
144901ad
15344e79
hex261b6d

2497389 has 16 divisors (see below), whose sum is σ = 3465600. Its totient is φ = 1598400.

The previous prime is 2497381. The next prime is 2497421. The reversal of 2497389 is 9837942.

It is not a de Polignac number, because 2497389 - 23 = 2497381 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2497389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2497381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16464 + ... + 16614.

It is an arithmetic number, because the mean of its divisors is an integer number (216600).

22497389 is an apocalyptic number.

It is an amenable number.

2497389 is a deficient number, since it is larger than the sum of its proper divisors (968211).

2497389 is a wasteful number, since it uses less digits than its factorization.

2497389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340.

The product of its digits is 108864, while the sum is 42.

The square root of 2497389 is about 1580.3129436918. The cubic root of 2497389 is about 135.6736154086.

The spelling of 2497389 in words is "two million, four hundred ninety-seven thousand, three hundred eighty-nine".

Divisors: 1 3 37 111 149 151 447 453 5513 5587 16539 16761 22499 67497 832463 2497389