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245320504 = 231113434987
BaseRepresentation
bin11101001111101…
…00101100111000
3122002121120110121
432213310230320
51000300224004
640202023024
76036122062
oct1647645470
9562546417
10245320504
11116527a20
126a1a7a74
133ba94780
142481c732
151680c854
hexe9f4b38

245320504 has 64 divisors (see below), whose sum is σ = 553069440. Its totient is φ = 100517760.

The previous prime is 245320501. The next prime is 245320573. The reversal of 245320504 is 405023542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245320501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46699 + ... + 51685.

It is an arithmetic number, because the mean of its divisors is an integer number (8641710).

Almost surely, 2245320504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245320504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276534720).

245320504 is an abundant number, since it is smaller than the sum of its proper divisors (307748936).

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

245320504 is a wasteful number, since it uses less digits than its factorization.

245320504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5060 (or 5056 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 245320504 is about 15662.7106210898. The cubic root of 245320504 is about 626.0052124898.

The spelling of 245320504 in words is "two hundred forty-five million, three hundred twenty thousand, five hundred four".

Divisors: 1 2 4 8 11 13 22 26 43 44 52 86 88 104 143 172 286 344 473 559 572 946 1118 1144 1892 2236 3784 4472 4987 6149 9974 12298 19948 24596 39896 49192 54857 64831 109714 129662 214441 219428 259324 428882 438856 518648 713141 857764 1426282 1715528 2358851 2787733 2852564 4717702 5575466 5705128 9435404 11150932 18870808 22301864 30665063 61330126 122660252 245320504