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245104960 = 265765953
BaseRepresentation
bin11101001110000…
…00000101000000
3122002012121210111
432213000011000
51000221324320
640153241104
76034233502
oct1647000500
9562177714
10245104960
1111639aa91
126a103194
133ba1a629
14247a3d72
15167b8a5a
hexe9c0140

245104960 has 28 divisors (see below), whose sum is σ = 583656948. Its totient is φ = 98041856.

The previous prime is 245104957. The next prime is 245104969. The reversal of 245104960 is 69401542.

It can be written as a sum of positive squares in 2 ways, for example, as 64256256 + 180848704 = 8016^2 + 13448^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245104969) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 382657 + ... + 383296.

It is an arithmetic number, because the mean of its divisors is an integer number (20844891).

Almost surely, 2245104960 is an apocalyptic number.

245104960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245104960 is an abundant number, since it is smaller than the sum of its proper divisors (338551988).

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

245104960 is an equidigital number, since it uses as much as digits as its factorization.

245104960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765970 (or 765960 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 245104960 is about 15655.8283076942. The cubic root of 245104960 is about 625.8218181104.

The spelling of 245104960 in words is "two hundred forty-five million, one hundred four thousand, nine hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 160 320 765953 1531906 3063812 3829765 6127624 7659530 12255248 15319060 24510496 30638120 49020992 61276240 122552480 245104960