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420576275 = 52723104491
BaseRepresentation
bin11001000100010…
…111110000010011
31002022101111012002
4121010113300103
51330131420100
6105422224215
713264560620
oct3104276023
91068344162
10420576275
111a644a1a9
12b8a2506b
1369197102
143dbdd347
1526dca2d5
hex19117c13

420576275 has 24 divisors (see below), whose sum is σ = 621936384. Its totient is φ = 275853600.

The previous prime is 420576269. The next prime is 420576313. The reversal of 420576275 is 572675024.

It is a happy number.

It is not a de Polignac number, because 420576275 - 210 = 420575251 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48221 + ... + 56270.

It is an arithmetic number, because the mean of its divisors is an integer number (25914016).

Almost surely, 2420576275 is an apocalyptic number.

420576275 is a deficient number, since it is larger than the sum of its proper divisors (201360109).

420576275 is a wasteful number, since it uses less digits than its factorization.

420576275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104531 (or 104526 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 38.

The square root of 420576275 is about 20507.9563828286. The cubic root of 420576275 is about 749.2295940891.

The spelling of 420576275 in words is "four hundred twenty million, five hundred seventy-six thousand, two hundred seventy-five".

Divisors: 1 5 7 23 25 35 115 161 175 575 805 4025 104491 522455 731437 2403293 2612275 3657185 12016465 16823051 18285925 60082325 84115255 420576275