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2492705 = 51921381
BaseRepresentation
bin1001100000100100100001
311200122100102
421200210201
51114231310
6125232145
730121235
oct11404441
94618312
102492705
111452896
12a02655
13693797
1448c5c5
153438a5
hex260921

2492705 has 12 divisors (see below), whose sum is σ = 3159252. Its totient is φ = 1887840.

The previous prime is 2492701. The next prime is 2492719. The reversal of 2492705 is 5072942.

It can be written as a sum of positive squares in 2 ways, for example, as 1014049 + 1478656 = 1007^2 + 1216^2 .

It is not a de Polignac number, because 2492705 - 22 = 2492701 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2492701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1115 + ... + 2495.

It is an arithmetic number, because the mean of its divisors is an integer number (263271).

22492705 is an apocalyptic number.

It is an amenable number.

2492705 is a deficient number, since it is larger than the sum of its proper divisors (666547).

2492705 is a wasteful number, since it uses less digits than its factorization.

2492705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1424 (or 1405 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 2492705 is about 1578.8302632012. The cubic root of 2492705 is about 135.5887410416.

It can be divided in two parts, 24 and 92705, that added together give a palindrome (92729).

The spelling of 2492705 in words is "two million, four hundred ninety-two thousand, seven hundred five".

Divisors: 1 5 19 95 361 1381 1805 6905 26239 131195 498541 2492705