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4260261 = 38871601
BaseRepresentation
bin10000010000000110100101
322000102222110
4100100012211
52042312021
6231151233
751132405
oct20200645
98012873
104260261
11244a885
121515519
13b62185
147cc805
15592476
hex4101a5

4260261 has 8 divisors (see below), whose sum is σ = 5690304. Its totient is φ = 2835200.

The previous prime is 4260259. The next prime is 4260271. The reversal of 4260261 is 1620624.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 4260261 - 21 = 4260259 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4260271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1861 + ... + 3461.

It is an arithmetic number, because the mean of its divisors is an integer number (711288).

Almost surely, 24260261 is an apocalyptic number.

It is an amenable number.

4260261 is a deficient number, since it is larger than the sum of its proper divisors (1430043).

4260261 is a wasteful number, since it uses less digits than its factorization.

4260261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2491.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 4260261 is about 2064.0399705432. The cubic root of 4260261 is about 162.1108447311.

Adding to 4260261 its reverse (1620624), we get a palindrome (5880885).

The spelling of 4260261 in words is "four million, two hundred sixty thousand, two hundred sixty-one".

Divisors: 1 3 887 1601 2661 4803 1420087 4260261