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245441424 = 243371131223
BaseRepresentation
bin11101010000100…
…10001110010000
3122002211201100010
432220102032100
51000313111144
640204354520
76040134444
oct1650221620
9562751303
10245441424
111165aa858
126a245a40
133bb07817
1424850824
15168335b9
hexea12390

245441424 has 80 divisors (see below), whose sum is σ = 657493632. Its totient is φ = 78833664.

The previous prime is 245441407. The next prime is 245441431. The reversal of 245441424 is 424144542.

It is a junction number, because it is equal to n+sod(n) for n = 245441391 and 245441400.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 200077 + ... + 201299.

Almost surely, 2245441424 is an apocalyptic number.

245441424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245441424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (328746816).

245441424 is an abundant number, since it is smaller than the sum of its proper divisors (412052208).

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

245441424 is a wasteful number, since it uses less digits than its factorization.

245441424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1384 (or 1378 counting only the distinct ones).

The product of its digits is 20480, while the sum is 30.

The square root of 245441424 is about 15666.5702692070. The cubic root of 245441424 is about 626.1080495477.

Adding to 245441424 its reverse (424144542), we get a palindrome (669585966).

The spelling of 245441424 in words is "two hundred forty-five million, four hundred forty-one thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 16 24 37 48 74 111 113 148 222 226 296 339 444 452 592 678 888 904 1223 1356 1776 1808 2446 2712 3669 4181 4892 5424 7338 8362 9784 12543 14676 16724 19568 25086 29352 33448 45251 50172 58704 66896 90502 100344 135753 138199 181004 200688 271506 276398 362008 414597 543012 552796 724016 829194 1086024 1105592 1658388 2172048 2211184 3316776 5113363 6633552 10226726 15340089 20453452 30680178 40906904 61360356 81813808 122720712 245441424