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506105425 = 5273778163
BaseRepresentation
bin11110001010101…
…000111001010001
31022021022211010101
4132022220321101
52014030333200
6122115332401
715353553010
oct3612507121
91267284111
10506105425
1123a757551
121215b1101
1380b12087
144b304a77
152e67226a
hex1e2a8e51

506105425 has 24 divisors (see below), whose sum is σ = 736617536. Its totient is φ = 337659840.

The previous prime is 506105401. The next prime is 506105429. The reversal of 506105425 is 524501605.

It is not a de Polignac number, because 506105425 - 25 = 506105393 is a prime.

It is a super-2 number, since 2×5061054252 = 512285402428861250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 506105393 and 506105402.

It is not an unprimeable number, because it can be changed into a prime (506105429) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32607 + ... + 45556.

Almost surely, 2506105425 is an apocalyptic number.

It is an amenable number.

506105425 is a deficient number, since it is larger than the sum of its proper divisors (230512111).

506105425 is a wasteful number, since it uses less digits than its factorization.

506105425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78217 (or 78212 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 506105425 is about 22496.7869928130. The cubic root of 506105425 is about 796.9180510895.

The spelling of 506105425 in words is "five hundred six million, one hundred five thousand, four hundred twenty-five".

Divisors: 1 5 7 25 35 37 175 185 259 925 1295 6475 78163 390815 547141 1954075 2735705 2892031 13678525 14460155 20244217 72300775 101221085 506105425