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4257401 = 4790583
BaseRepresentation
bin10000001111011001111001
322000022001112
4100033121321
52042214101
6231130105
751121151
oct20173171
98008045
104257401
112448715
121513935
13b60a95
147cb761
155916bb
hex40f679

4257401 has 4 divisors (see below), whose sum is σ = 4348032. Its totient is φ = 4166772.

The previous prime is 4257391. The next prime is 4257413. The reversal of 4257401 is 1047524.

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 4257401 - 222 = 63097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4257101) 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, 45245 + ... + 45338.

It is an arithmetic number, because the mean of its divisors is an integer number (1087008).

Almost surely, 24257401 is an apocalyptic number.

It is an amenable number.

4257401 is a deficient number, since it is larger than the sum of its proper divisors (90631).

4257401 is an equidigital number, since it uses as much as digits as its factorization.

4257401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90630.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 4257401 is about 2063.3470381882. The cubic root of 4257401 is about 162.0745605063.

The spelling of 4257401 in words is "four million, two hundred fifty-seven thousand, four hundred one".

Divisors: 1 47 90583 4257401