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420200672 = 2513131271
BaseRepresentation
bin11001000010111…
…100000011100000
31002021200101221212
4121002330003200
51330032410142
6105410205252
713261434563
oct3102740340
91067611855
10420200672
111a6212a91
12b8883828
1369095168
143db424da
1526d53d82
hex190bc0e0

420200672 has 12 divisors (see below), whose sum is σ = 827270136. Its totient is φ = 210100320.

The previous prime is 420200657. The next prime is 420200699. The reversal of 420200672 is 276002024.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6565604 + ... + 6565667.

It is an arithmetic number, because the mean of its divisors is an integer number (68939178).

Almost surely, 2420200672 is an apocalyptic number.

It is an amenable number.

420200672 is a deficient number, since it is larger than the sum of its proper divisors (407069464).

420200672 is a wasteful number, since it uses less digits than its factorization.

420200672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13131281 (or 13131273 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 420200672 is about 20498.7968427418. The cubic root of 420200672 is about 749.0064901283.

Adding to 420200672 its reverse (276002024), we get a palindrome (696202696).

The spelling of 420200672 in words is "four hundred twenty million, two hundred thousand, six hundred seventy-two".

Divisors: 1 2 4 8 16 32 13131271 26262542 52525084 105050168 210100336 420200672