Search a number
-
+
1270992 = 24326479
BaseRepresentation
bin100110110010011010000
32101120110210
410312103100
5311132432
643124120
713542342
oct4662320
92346423
101270992
11798a08
12513640
13356688
14251292
151a18cc
hex1364d0

1270992 has 20 divisors (see below), whose sum is σ = 3283520. Its totient is φ = 423648.

The previous prime is 1270981. The next prime is 1271027. The reversal of 1270992 is 2990721.

It is a plaindrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13192 + ... + 13287.

It is an arithmetic number, because the mean of its divisors is an integer number (164176).

21270992 is an apocalyptic number.

1270992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1270992 is an abundant number, since it is smaller than the sum of its proper divisors (2012528).

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

1270992 is a wasteful number, since it uses less digits than its factorization.

1270992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26490 (or 26484 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 1270992 is about 1127.3828098743. The cubic root of 1270992 is about 108.3214019733.

The spelling of 1270992 in words is "one million, two hundred seventy thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 26479 52958 79437 105916 158874 211832 317748 423664 635496 1270992