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2542570 = 25254257
BaseRepresentation
bin1001101100101111101010
311210011202021
421230233222
51122330240
6130255054
730416512
oct11545752
94704667
102542570
1114872a8
12a2748a
136b03a4
144a2842
1535354a
hex26cbea

2542570 has 8 divisors (see below), whose sum is σ = 4576644. Its totient is φ = 1017024.

The previous prime is 2542567. The next prime is 2542577. The reversal of 2542570 is 752452.

It can be written as a sum of positive squares in 2 ways, for example, as 2468041 + 74529 = 1571^2 + 273^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2542577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127119 + ... + 127138.

22542570 is an apocalyptic number.

2542570 is a deficient number, since it is larger than the sum of its proper divisors (2034074).

2542570 is a wasteful number, since it uses less digits than its factorization.

2542570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254264.

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 2542570 is about 1594.5438219127. The cubic root of 2542570 is about 136.4869009332.

The spelling of 2542570 in words is "two million, five hundred forty-two thousand, five hundred seventy".

Divisors: 1 2 5 10 254257 508514 1271285 2542570