Search a number
-
+
1426279 = 31139331
BaseRepresentation
bin101011100001101100111
32200110111011
411130031213
5331120104
650323051
715060151
oct5341547
92613434
101426279
11894648
12589487
133ac26a
14291ad1
151d2904
hex15c367

1426279 has 8 divisors (see below), whose sum is σ = 1487360. Its totient is φ = 1366200.

The previous prime is 1426277. The next prime is 1426289. The reversal of 1426279 is 9726241.

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 1426279 - 21 = 1426277 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1426279.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1426277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4144 + ... + 4474.

It is an arithmetic number, because the mean of its divisors is an integer number (185920).

21426279 is an apocalyptic number.

1426279 is a deficient number, since it is larger than the sum of its proper divisors (61081).

1426279 is a wasteful number, since it uses less digits than its factorization.

1426279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501.

The product of its digits is 6048, while the sum is 31.

The square root of 1426279 is about 1194.2692326272. The cubic root of 1426279 is about 112.5645127925.

It can be divided in two parts, 14262 and 79, that added together give a palindrome (14341).

The spelling of 1426279 in words is "one million, four hundred twenty-six thousand, two hundred seventy-nine".

Divisors: 1 31 139 331 4309 10261 46009 1426279