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BaseRepresentation
bin111110000001…
…111100100101
31010121010202121
4332001330211
513130322101
61340305541
7255133606
oct76017445
933533677
1016260901
1191a7068
1255422b1
1334a4547
1516630a1
hexf81f25

16260901 has 4 divisors (see below), whose sum is σ = 16268992. Its totient is φ = 16252812.

The previous prime is 16260889. The next prime is 16260929. The reversal of 16260901 is 10906261.

It can be divided in two parts, 16260 and 901, that added together give a square (17161 = 1312).

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 10906261 = 22348907.

It is a cyclic number.

It is not a de Polignac number, because 16260901 - 27 = 16260773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16260991) 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 3 ways as a sum of consecutive naturals, for example, 1546 + ... + 5908.

It is an arithmetic number, because the mean of its divisors is an integer number (4067248).

It is a 2010-hyperperfect number.

Almost surely, 216260901 is an apocalyptic number.

It is an amenable number.

16260901 is a deficient number, since it is larger than the sum of its proper divisors (8091).

16260901 is an equidigital number, since it uses as much as digits as its factorization.

16260901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8090.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 16260901 is about 4032.4807501090. The cubic root of 16260901 is about 253.3464765034.

The spelling of 16260901 in words is "sixteen million, two hundred sixty thousand, nine hundred one".

Divisors: 1 3727 4363 16260901