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420132532 = 22432442631
BaseRepresentation
bin11001000010101…
…011011010110100
31002021112221111011
4121002223122310
51330023220112
6105404522004
713261032121
oct3102533264
91067487434
10420132532
111a6176876
12b8850304
1369070141
143db25748
1526d3daa7
hex190ab6b4

420132532 has 12 divisors (see below), whose sum is σ = 752330656. Its totient is φ = 205180920.

The previous prime is 420132529. The next prime is 420132533. The reversal of 420132532 is 235231024.

It is a super-2 number, since 2×4201325322 = 353022688889462048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420132533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1221144 + ... + 1221487.

Almost surely, 2420132532 is an apocalyptic number.

It is an amenable number.

420132532 is a deficient number, since it is larger than the sum of its proper divisors (332198124).

420132532 is a wasteful number, since it uses less digits than its factorization.

420132532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2442678 (or 2442676 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 420132532 is about 20497.1347265904. The cubic root of 420132532 is about 748.9660014883.

Adding to 420132532 its reverse (235231024), we get a palindrome (655363556).

The spelling of 420132532 in words is "four hundred twenty million, one hundred thirty-two thousand, five hundred thirty-two".

Divisors: 1 2 4 43 86 172 2442631 4885262 9770524 105033133 210066266 420132532