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4257261 = 323115259
BaseRepresentation
bin10000001111010111101101
322000021212100
4100033113231
52042213021
6231125313
751120561
oct20172755
98007770
104257261
1124485a8
121513839
13b609b8
147cb6a1
15591626
hex40f5ed

4257261 has 12 divisors (see below), whose sum is σ = 6348160. Its totient is φ = 2746440.

The previous prime is 4257241. The next prime is 4257269. The reversal of 4257261 is 1627524.

It is not a de Polignac number, because 4257261 - 27 = 4257133 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4257269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7351 + ... + 7908.

Almost surely, 24257261 is an apocalyptic number.

It is an amenable number.

4257261 is a deficient number, since it is larger than the sum of its proper divisors (2090899).

4257261 is a wasteful number, since it uses less digits than its factorization.

4257261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15296 (or 15293 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 4257261 is about 2063.3131124480. The cubic root of 4257261 is about 162.0727839383.

The spelling of 4257261 in words is "four million, two hundred fifty-seven thousand, two hundred sixty-one".

Divisors: 1 3 9 31 93 279 15259 45777 137331 473029 1419087 4257261