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245220524 = 2261305131
BaseRepresentation
bin11101001110111…
…00010010101100
3122002102111022122
432213130102230
51000234024044
640155532112
76035224433
oct1647342254
9562374278
10245220524
1111646989a
126a15a038
133ba5b103
14247d411a
15167dcdee
hexe9dc4ac

245220524 has 6 divisors (see below), whose sum is σ = 429135924. Its totient is φ = 122610260.

The previous prime is 245220511. The next prime is 245220533. The reversal of 245220524 is 425022542.

It is a junction number, because it is equal to n+sod(n) for n = 245220493 and 245220502.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30652562 + ... + 30652569.

It is an arithmetic number, because the mean of its divisors is an integer number (71522654).

Almost surely, 2245220524 is an apocalyptic number.

It is an amenable number.

245220524 is a deficient number, since it is larger than the sum of its proper divisors (183915400).

245220524 is a wasteful number, since it uses less digits than its factorization.

245220524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61305135 (or 61305133 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 245220524 is about 15659.5186388343. The cubic root of 245220524 is about 625.9201584420.

The spelling of 245220524 in words is "two hundred forty-five million, two hundred twenty thousand, five hundred twenty-four".

Divisors: 1 2 4 61305131 122610262 245220524