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4421269 = 15232903
BaseRepresentation
bin10000110111011010010101
322022121211201
4100313122111
52112440034
6234432501
752402666
oct20673225
98277751
104421269
11254a846
121592731
13bba548
1483136d
155c5014
hex437695

4421269 has 4 divisors (see below), whose sum is σ = 4425696. Its totient is φ = 4416844.

The previous prime is 4421257. The next prime is 4421297. The reversal of 4421269 is 9621244.

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.

It is a cyclic number.

It is not a de Polignac number, because 4421269 - 25 = 4421237 is a prime.

It is a super-2 number, since 2×44212692 = 39095239140722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4421299) 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, 72 + ... + 2974.

It is an arithmetic number, because the mean of its divisors is an integer number (1106424).

Almost surely, 24421269 is an apocalyptic number.

It is an amenable number.

4421269 is a deficient number, since it is larger than the sum of its proper divisors (4427).

4421269 is a wasteful number, since it uses less digits than its factorization.

4421269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4426.

The product of its digits is 3456, while the sum is 28.

The square root of 4421269 is about 2102.6813833769. The cubic root of 4421269 is about 164.1278623130.

It can be divided in two parts, 442 and 1269, that added together give a triangular number (1711 = T58).

The spelling of 4421269 in words is "four million, four hundred twenty-one thousand, two hundred sixty-nine".

Divisors: 1 1523 2903 4421269