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4287201 = 31429067
BaseRepresentation
bin10000010110101011100001
322001210221020
4100112223201
52044142301
6231520053
751304062
oct20265341
98053836
104287201
112469046
121529029
13b71509
147d8569
1559a436
hex416ae1

4287201 has 4 divisors (see below), whose sum is σ = 5716272. Its totient is φ = 2858132.

The previous prime is 4287197. The next prime is 4287209. The reversal of 4287201 is 1027824.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4287201 - 22 = 4287197 is a prime.

It is a D-number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4287209) 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, 714531 + ... + 714536.

It is an arithmetic number, because the mean of its divisors is an integer number (1429068).

Almost surely, 24287201 is an apocalyptic number.

It is an amenable number.

4287201 is a deficient number, since it is larger than the sum of its proper divisors (1429071).

4287201 is a wasteful number, since it uses less digits than its factorization.

4287201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1429070.

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 4287201 is about 2070.5557225054. Note that the first 3 decimals coincide. The cubic root of 4287201 is about 162.4518326667.

The spelling of 4287201 in words is "four million, two hundred eighty-seven thousand, two hundred one".

Divisors: 1 3 1429067 4287201