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4200631 = 19721323
BaseRepresentation
bin10000000001100010110111
321220102011221
4100001202313
52033410011
6230011211
750463511
oct20014267
97812157
104200631
112409aa6
1214a6b07
13b40ca6
147b4bb1
1557e971
hex4018b7

4200631 has 4 divisors (see below), whose sum is σ = 4222152. Its totient is φ = 4179112.

The previous prime is 4200629. The next prime is 4200661. The reversal of 4200631 is 1360024.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4200631 - 21 = 4200629 is a prime.

It is a super-2 number, since 2×42006312 = 35290601596322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4200601) 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, 10465 + ... + 10858.

It is an arithmetic number, because the mean of its divisors is an integer number (1055538).

Almost surely, 24200631 is an apocalyptic number.

4200631 is a deficient number, since it is larger than the sum of its proper divisors (21521).

4200631 is a wasteful number, since it uses less digits than its factorization.

4200631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21520.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 4200631 is about 2049.5440956466. The cubic root of 4200631 is about 161.3509441461.

Adding to 4200631 its reverse (1360024), we get a palindrome (5560655).

The spelling of 4200631 in words is "four million, two hundred thousand, six hundred thirty-one".

Divisors: 1 197 21323 4200631