Search a number
245026 = 21011213
BaseRepresentation
bin111011110100100010
3110110010001
4323310202
530320101
65130214
72040235
oct736442
9413101
10245026
11158101
12b996a
13876b2
146541c
154c901
hex3bd22

245026 has 8 divisors (see below), whose sum is σ = 371484. Its totient is φ = 121200.

The previous prime is 245023. The next prime is 245029. The reversal of 245026 is 620542.

It is a Cunningham number, because it is equal to 4952+1.

It is an interprime number because it is at equal distance from previous prime (245023) and next prime (245029).

It can be written as a sum of positive squares in 2 ways, for example, as 245025 + 1 = 495^2 + 1^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 244994 and 245012.

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, 405 + ... + 808.

2245026 is an apocalyptic number.

245026 is a deficient number, since it is larger than the sum of its proper divisors (126458).

245026 is a wasteful number, since it uses less digits than its factorization.

245026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1316.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 245026 is about 495.0010101000. The cubic root of 245026 is about 62.5754608539.

Adding to 245026 its reverse (620542), we get a palindrome (865568).

It can be divided in two parts, 24 and 5026, that added together give a triangular number (5050 = T100).

The spelling of 245026 in words is "two hundred forty-five thousand, twenty-six".

Divisors: 1 2 101 202 1213 2426 122513 245026