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420052260 = 223531322367
BaseRepresentation
bin11001000010010…
…111110100100100
31002021101212101010
4121002113310210
51330013133020
6105403102220
713260246105
oct3102276444
91067355333
10420052260
111a6121531
12b8811970
1369042744
143db043ac
1526d24de0
hex19097d24

420052260 has 48 divisors (see below), whose sum is σ = 1179956736. Its totient is φ = 111651072.

The previous prime is 420052249. The next prime is 420052271. The reversal of 420052260 is 62250024.

It is an interprime number because it is at equal distance from previous prime (420052249) and next prime (420052271).

It is a super-2 number, since 2×4200522602 = 352887802262215200, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 7597 + ... + 29963.

It is an arithmetic number, because the mean of its divisors is an integer number (24582432).

Almost surely, 2420052260 is an apocalyptic number.

It is an amenable number.

420052260 is an abundant number, since it is smaller than the sum of its proper divisors (759904476).

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

420052260 is a wasteful number, since it uses less digits than its factorization.

420052260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22692 (or 22690 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 420052260 is about 20495.1765057049. The cubic root of 420052260 is about 748.9182984234.

The spelling of 420052260 in words is "four hundred twenty million, fifty-two thousand, two hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 313 626 939 1252 1565 1878 3130 3756 4695 6260 9390 18780 22367 44734 67101 89468 111835 134202 223670 268404 335505 447340 671010 1342020 7000871 14001742 21002613 28003484 35004355 42005226 70008710 84010452 105013065 140017420 210026130 420052260