Search a number
-
+
1296856 = 231114737
BaseRepresentation
bin100111100100111011000
32102212221201
410330213120
5312444411
643443544
714010631
oct4744730
92385851
101296856
11806390
125265b4
13365392
1425a888
151a93c1
hex13c9d8

1296856 has 16 divisors (see below), whose sum is σ = 2652840. Its totient is φ = 589440.

The previous prime is 1296839. The next prime is 1296877. The reversal of 1296856 is 6586921.

It is an Ulam number.

It is a pancake number, because a pancake can be divided into 1296856 parts by 1610 straight cuts.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7281 + ... + 7456.

21296856 is an apocalyptic number.

It is an amenable number.

1296856 is an abundant number, since it is smaller than the sum of its proper divisors (1355984).

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

1296856 is a wasteful number, since it uses less digits than its factorization.

1296856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14754 (or 14750 counting only the distinct ones).

The product of its digits is 25920, while the sum is 37.

The square root of 1296856 is about 1138.7958552787. The cubic root of 1296856 is about 109.0512342257.

The spelling of 1296856 in words is "one million, two hundred ninety-six thousand, eight hundred fifty-six".

Divisors: 1 2 4 8 11 22 44 88 14737 29474 58948 117896 162107 324214 648428 1296856