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4257901 = 31113691
BaseRepresentation
bin10000001111100001101101
322000022202001
4100033201231
52042223101
6231132301
751122464
oct20174155
98008661
104257901
11244902a
121514091
13b6108b
147cb9db
15591901
hex40f86d

4257901 has 4 divisors (see below), whose sum is σ = 4271904. Its totient is φ = 4243900.

The previous prime is 4257899. The next prime is 4257931. The reversal of 4257901 is 1097524.

It is a happy number.

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 4257901 - 21 = 4257899 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4257901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4257931) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 6535 + ... + 7156.

It is an arithmetic number, because the mean of its divisors is an integer number (1067976).

Almost surely, 24257901 is an apocalyptic number.

It is an amenable number.

4257901 is a deficient number, since it is larger than the sum of its proper divisors (14003).

4257901 is a wasteful number, since it uses less digits than its factorization.

4257901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14002.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 4257901 is about 2063.4681969926. The cubic root of 4257901 is about 162.0809050741.

The spelling of 4257901 in words is "four million, two hundred fifty-seven thousand, nine hundred one".

Divisors: 1 311 13691 4257901