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1313880 = 233510949
BaseRepresentation
bin101000000110001011000
32110202022020
411000301120
5314021010
644054440
714111361
oct5006130
92422266
101313880
11818157
12534420
13370059
14262b68
151ae470
hex140c58

1313880 has 32 divisors (see below), whose sum is σ = 3942000. Its totient is φ = 350336.

The previous prime is 1313863. The next prime is 1313881. The reversal of 1313880 is 883131.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1313880.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5355 + ... + 5594.

21313880 is an apocalyptic number.

1313880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1313880 is an abundant number, since it is smaller than the sum of its proper divisors (2628120).

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

1313880 is a wasteful number, since it uses less digits than its factorization.

1313880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10963 (or 10959 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 1313880 is about 1146.2460468852. The cubic root of 1313880 is about 109.5263379859.

1313880 divided by its sum of digits (24) gives a palindrome (54745).

The spelling of 1313880 in words is "one million, three hundred thirteen thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 10949 21898 32847 43796 54745 65694 87592 109490 131388 164235 218980 262776 328470 437960 656940 1313880