Search a number
-
+
269743421 = 281959941
BaseRepresentation
bin10000000100111…
…111010100111101
3200210120101102002
4100010333110331
51023023242141
642433312045
76453531653
oct2004772475
9623511362
10269743421
11129299252
1276405625
1343b660bc
1427b78dd3
1518a33e9b
hex1013f53d

269743421 has 4 divisors (see below), whose sum is σ = 270703644. Its totient is φ = 268783200.

The previous prime is 269743381. The next prime is 269743423. The reversal of 269743421 is 124347962.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 192127321 + 77616100 = 13861^2 + 8810^2 .

It is a cyclic number.

It is not a de Polignac number, because 269743421 - 214 = 269727037 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 (269743423) 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, 479690 + ... + 480251.

It is an arithmetic number, because the mean of its divisors is an integer number (67675911).

Almost surely, 2269743421 is an apocalyptic number.

It is an amenable number.

269743421 is a deficient number, since it is larger than the sum of its proper divisors (960223).

269743421 is an equidigital number, since it uses as much as digits as its factorization.

269743421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960222.

The product of its digits is 72576, while the sum is 38.

The square root of 269743421 is about 16423.8674190947. The cubic root of 269743421 is about 646.1256077901.

The spelling of 269743421 in words is "two hundred sixty-nine million, seven hundred forty-three thousand, four hundred twenty-one".

Divisors: 1 281 959941 269743421