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245412224 = 2741101463
BaseRepresentation
bin11101010000010…
…11000110000000
3122002210020021122
432220023012000
51000311142344
640204011412
76036653351
oct1650130600
9562706248
10245412224
1111658a922
126a230b68
133bac7445
1424843d28
1516829aee
hexea0b180

245412224 has 64 divisors (see below), whose sum is σ = 506882880. Its totient is φ = 118272000.

The previous prime is 245412179. The next prime is 245412247. The reversal of 245412224 is 422214542.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 245412193 and 245412202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 529817 + ... + 530279.

It is an arithmetic number, because the mean of its divisors is an integer number (7920045).

Almost surely, 2245412224 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 245412224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253441440).

245412224 is an abundant number, since it is smaller than the sum of its proper divisors (261470656).

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

245412224 is a wasteful number, since it uses less digits than its factorization.

245412224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619 (or 607 counting only the distinct ones).

The product of its digits is 5120, while the sum is 26.

The square root of 245412224 is about 15665.6383208601. The cubic root of 245412224 is about 626.0832193461.

Adding to 245412224 its reverse (422214542), we get a palindrome (667626766).

The spelling of 245412224 in words is "two hundred forty-five million, four hundred twelve thousand, two hundred twenty-four".

Divisors: 1 2 4 8 16 32 41 64 82 101 128 164 202 328 404 463 656 808 926 1312 1616 1852 2624 3232 3704 4141 5248 6464 7408 8282 12928 14816 16564 18983 29632 33128 37966 46763 59264 66256 75932 93526 132512 151864 187052 265024 303728 374104 530048 607456 748208 1214912 1496416 1917283 2429824 2992832 3834566 5985664 7669132 15338264 30676528 61353056 122706112 245412224