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2542293 = 33137243
BaseRepresentation
bin1001101100101011010101
311210011101000
421230223111
51122323133
6130253513
730415635
oct11545325
94704330
102542293
111487076
12a27299
136b0220
144a26c5
15353413
hex26cad5

2542293 has 16 divisors (see below), whose sum is σ = 4056640. Its totient is φ = 1564272.

The previous prime is 2542237. The next prime is 2542327. The reversal of 2542293 is 3922452.

It is not a de Polignac number, because 2542293 - 26 = 2542229 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2542223) 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, 3271 + ... + 3972.

It is an arithmetic number, because the mean of its divisors is an integer number (253540).

22542293 is an apocalyptic number.

It is an amenable number.

2542293 is a deficient number, since it is larger than the sum of its proper divisors (1514347).

2542293 is a wasteful number, since it uses less digits than its factorization.

2542293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7265 (or 7259 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 2542293 is about 1594.4569608491. The cubic root of 2542293 is about 136.4819442366.

The spelling of 2542293 in words is "two million, five hundred forty-two thousand, two hundred ninety-three".

Divisors: 1 3 9 13 27 39 117 351 7243 21729 65187 94159 195561 282477 847431 2542293