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245104236 = 2232134391193
BaseRepresentation
bin11101001101111…
…11111001101100
3122002012120210200
432212333321230
51000221313421
640153233500
76034231416
oct1646777154
9562176720
10245104236
1111639a493
126a102890
133ba1a1c0
14247a39b6
15167b8726
hexe9bfe6c

245104236 has 72 divisors (see below), whose sum is σ = 669308640. Its totient is φ = 75181824.

The previous prime is 245104219. The next prime is 245104247. The reversal of 245104236 is 632401542.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 204856 + ... + 206048.

Almost surely, 2245104236 is an apocalyptic number.

245104236 is a gapful number since it is divisible by the number (26) 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 245104236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (334654320).

245104236 is an abundant number, since it is smaller than the sum of its proper divisors (424204404).

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

245104236 is a wasteful number, since it uses less digits than its factorization.

245104236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1655 (or 1650 counting only the distinct ones).

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

The square root of 245104236 is about 15655.8051852979. The cubic root of 245104236 is about 625.8212019179.

Adding to 245104236 its reverse (632401542), we get a palindrome (877505778).

The spelling of 245104236 in words is "two hundred forty-five million, one hundred four thousand, two hundred thirty-six".

Divisors: 1 2 3 4 6 9 12 13 18 26 36 39 52 78 117 156 234 439 468 878 1193 1317 1756 2386 2634 3579 3951 4772 5268 5707 7158 7902 10737 11414 14316 15509 15804 17121 21474 22828 31018 34242 42948 46527 51363 62036 68484 93054 102726 139581 186108 205452 279162 523727 558324 1047454 1571181 2094908 3142362 4713543 6284724 6808451 9427086 13616902 18854172 20425353 27233804 40850706 61276059 81701412 122552118 245104236