Search a number
-
+
1269426 = 23211571
BaseRepresentation
bin100110101111010110010
32101111022210
410311322302
5311110201
643112550
713534644
oct4657262
92344283
101269426
11797814
12512756
13355a52
14250894
151a11d6
hex135eb2

1269426 has 8 divisors (see below), whose sum is σ = 2538864. Its totient is φ = 423140.

The previous prime is 1269413. The next prime is 1269427. The reversal of 1269426 is 6249621.

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

1269426 is an admirable number.

It is a super-2 number, since 2×12694262 = 3222884738952, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1269393 and 1269402.

It is not an unprimeable number, because it can be changed into a prime (1269427) 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, 105780 + ... + 105791.

It is an arithmetic number, because the mean of its divisors is an integer number (317358).

21269426 is an apocalyptic number.

1269426 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1269426 is a wasteful number, since it uses less digits than its factorization.

1269426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211576.

The product of its digits is 5184, while the sum is 30.

The square root of 1269426 is about 1126.6880668579. The cubic root of 1269426 is about 108.2768957841.

It can be divided in two parts, 12694 and 26, that added together give a triangular number (12720 = T159).

The spelling of 1269426 in words is "one million, two hundred sixty-nine thousand, four hundred twenty-six".

Divisors: 1 2 3 6 211571 423142 634713 1269426