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245093 = 1371789
BaseRepresentation
bin111011110101100101
3110110012112
4323311211
530320333
65130405
72040362
oct736545
9413175
10245093
11158162
12b9a05
1387734
1465469
154c948
hex3bd65

245093 has 4 divisors (see below), whose sum is σ = 247020. Its totient is φ = 243168.

The previous prime is 245087. The next prime is 245107. The reversal of 245093 is 390542.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 390542 = 2195271.

It can be written as a sum of positive squares in 2 ways, for example, as 195364 + 49729 = 442^2 + 223^2 .

It is a cyclic number.

It is not a de Polignac number, because 245093 - 26 = 245029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 758 + ... + 1031.

It is an arithmetic number, because the mean of its divisors is an integer number (61755).

2245093 is an apocalyptic number.

It is an amenable number.

245093 is a deficient number, since it is larger than the sum of its proper divisors (1927).

245093 is a wasteful number, since it uses less digits than its factorization.

245093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1926.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 245093 is about 495.0686821038. The cubic root of 245093 is about 62.5811638865.

The spelling of 245093 in words is "two hundred forty-five thousand, ninety-three".

Divisors: 1 137 1789 245093