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4200681 = 33074561
BaseRepresentation
bin10000000001100011101001
321220102020210
4100001203221
52033410211
6230011333
750463612
oct20014351
97812223
104200681
11240a041
1214a6b49
13b41014
147b4c09
1557e9a6
hex4018e9

4200681 has 8 divisors (see below), whose sum is σ = 5620384. Its totient is φ = 2790720.

The previous prime is 4200671. The next prime is 4200689. The reversal of 4200681 is 1860024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4200681 - 26 = 4200617 is a prime.

It is a super-2 number, since 2×42006812 = 35291441727522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4200689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1360 + ... + 3201.

It is an arithmetic number, because the mean of its divisors is an integer number (702548).

Almost surely, 24200681 is an apocalyptic number.

It is an amenable number.

4200681 is a deficient number, since it is larger than the sum of its proper divisors (1419703).

4200681 is a wasteful number, since it uses less digits than its factorization.

4200681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4871.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 4200681 is about 2049.5562934450. The cubic root of 4200681 is about 161.3515843289.

The spelling of 4200681 in words is "four million, two hundred thousand, six hundred eighty-one".

Divisors: 1 3 307 921 4561 13683 1400227 4200681