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245130 = 2358171
BaseRepresentation
bin111011110110001010
3110110020220
4323312022
530321010
65130510
72040444
oct736612
9413226
10245130
11158196
12b9a36
1387762
1465494
154c970
hex3bd8a

245130 has 16 divisors (see below), whose sum is σ = 588384. Its totient is φ = 65360.

The previous prime is 245129. The next prime is 245131. The reversal of 245130 is 31542.

Adding to 245130 its reverse (31542), we get a palindrome (276672).

It is an interprime number because it is at equal distance from previous prime (245129) and next prime (245131).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (245131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4056 + ... + 4115.

It is an arithmetic number, because the mean of its divisors is an integer number (36774).

2245130 is an apocalyptic number.

245130 is an abundant number, since it is smaller than the sum of its proper divisors (343254).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245130 is a wasteful number, since it uses less digits than its factorization.

245130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8181.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 245130 is about 495.1060492460. The cubic root of 245130 is about 62.5843128769.

The spelling of 245130 in words is "two hundred forty-five thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 8171 16342 24513 40855 49026 81710 122565 245130