Search a number
-
+
2495457 = 32277273
BaseRepresentation
bin1001100001001111100001
311200210010100
421201033201
51114323312
6125253013
730132246
oct11411741
94623110
102495457
111454968
12a04169
13694b03
1448d5cd
153445dc
hex2613e1

2495457 has 6 divisors (see below), whose sum is σ = 3604562. Its totient is φ = 1663632.

The previous prime is 2495443. The next prime is 2495459. The reversal of 2495457 is 7545942.

It can be written as a sum of positive squares in only one way, i.e., 2359296 + 136161 = 1536^2 + 369^2 .

It is not a de Polignac number, because 2495457 - 210 = 2494433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2495459) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 138628 + ... + 138645.

22495457 is an apocalyptic number.

It is an amenable number.

2495457 is a deficient number, since it is larger than the sum of its proper divisors (1109105).

2495457 is a wasteful number, since it uses less digits than its factorization.

2495457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277279 (or 277276 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 2495457 is about 1579.7015540918. The cubic root of 2495457 is about 135.6386203201.

It can be divided in two parts, 24 and 95457, that added together give a square (95481 = 3092).

The spelling of 2495457 in words is "two million, four hundred ninety-five thousand, four hundred fifty-seven".

Divisors: 1 3 9 277273 831819 2495457