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4257057 = 37202717
BaseRepresentation
bin10000001111010100100001
322000021120210
4100033110201
52042211212
6231124333
751120150
oct20172441
98007523
104257057
112448432
1215136a9
13b6088c
147cb597
1559153c
hex40f521

4257057 has 8 divisors (see below), whose sum is σ = 6486976. Its totient is φ = 2432592.

The previous prime is 4257053. The next prime is 4257061. The reversal of 4257057 is 7507524.

It is an interprime number because it is at equal distance from previous prime (4257053) and next prime (4257061).

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

It is not a de Polignac number, because 4257057 - 22 = 4257053 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4257053) 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, 101338 + ... + 101379.

It is an arithmetic number, because the mean of its divisors is an integer number (810872).

Almost surely, 24257057 is an apocalyptic number.

It is an amenable number.

4257057 is a deficient number, since it is larger than the sum of its proper divisors (2229919).

4257057 is a wasteful number, since it uses less digits than its factorization.

4257057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202727.

The product of its (nonzero) digits is 9800, while the sum is 30.

The square root of 4257057 is about 2063.2636767995. The cubic root of 4257057 is about 162.0701951552.

The spelling of 4257057 in words is "four million, two hundred fifty-seven thousand, fifty-seven".

Divisors: 1 3 7 21 202717 608151 1419019 4257057