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245206026 = 232137114759
BaseRepresentation
bin11101001110110…
…00110000001010
3122002101202102200
432213120300022
51000233043101
640155341030
76035134242
oct1647306012
9562352380
10245206026
11116459a0a
126a151776
133ba54630
14247ccb22
15167d8986
hexe9d8c0a

245206026 has 48 divisors (see below), whose sum is σ = 580245120. Its totient is φ = 74380320.

The previous prime is 245206019. The next prime is 245206099. The reversal of 245206026 is 620602542.

245206026 is a `hidden beast` number, since 2 + 4 + 52 + 0 + 602 + 6 = 666.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 9235 + ... + 23993.

It is an arithmetic number, because the mean of its divisors is an integer number (12088440).

Almost surely, 2245206026 is an apocalyptic number.

245206026 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 245206026, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (290122560).

245206026 is an abundant number, since it is smaller than the sum of its proper divisors (335039094).

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

245206026 is a wasteful number, since it uses less digits than its factorization.

245206026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14851 (or 14848 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 245206026 is about 15659.0557186569. The cubic root of 245206026 is about 625.9078229203.

Adding to 245206026 its reverse (620602542), we get a palindrome (865808568).

The spelling of 245206026 in words is "two hundred forty-five million, two hundred six thousand, twenty-six".

Divisors: 1 2 3 6 9 13 18 26 39 71 78 117 142 213 234 426 639 923 1278 1846 2769 5538 8307 14759 16614 29518 44277 88554 132831 191867 265662 383734 575601 1047889 1151202 1726803 2095778 3143667 3453606 6287334 9431001 13622557 18862002 27245114 40867671 81735342 122603013 245206026