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245315024 = 2415332189
BaseRepresentation
bin11101001111100…
…11010111010000
3122002121021221122
432213303113100
51000300040044
640201541412
76036100103
oct1647632720
9562537848
10245315024
11116523899
126a1a4868
133ba92126
142481a73a
151680adee
hexe9f35d0

245315024 has 10 divisors (see below), whose sum is σ = 475297890. Its totient is φ = 122657504.

The previous prime is 245315009. The next prime is 245315029. The reversal of 245315024 is 420513542.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 159567424 + 85747600 = 12632^2 + 9260^2 .

It is a super-2 number, since 2×2453150242 = 120358922000241152, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 245314984 and 245315002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245315029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7666079 + ... + 7666110.

It is an arithmetic number, because the mean of its divisors is an integer number (47529789).

Almost surely, 2245315024 is an apocalyptic number.

It is an amenable number.

245315024 is a deficient number, since it is larger than the sum of its proper divisors (229982866).

245315024 is a wasteful number, since it uses less digits than its factorization.

245315024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15332197 (or 15332191 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 245315024 is about 15662.5356823217. The cubic root of 245315024 is about 626.0005511943. Note that the first 3 decimals are identical.

Adding to 245315024 its reverse (420513542), we get a palindrome (665828566).

The spelling of 245315024 in words is "two hundred forty-five million, three hundred fifteen thousand, twenty-four".

Divisors: 1 2 4 8 16 15332189 30664378 61328756 122657512 245315024