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1313480 = 23574691
BaseRepresentation
bin101000000101011001000
32110201202102
411000223020
5314012410
644052532
714110250
oct5005310
92421672
101313480
11817923
12534148
1336cb0c
14262960
151ae2a5
hex140ac8

1313480 has 32 divisors (see below), whose sum is σ = 3378240. Its totient is φ = 450240.

The previous prime is 1313467. The next prime is 1313567. The reversal of 1313480 is 843131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

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, 2066 + ... + 2625.

It is an arithmetic number, because the mean of its divisors is an integer number (105570).

21313480 is an apocalyptic number.

1313480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1313480 is an abundant number, since it is smaller than the sum of its proper divisors (2064760).

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

1313480 is a wasteful number, since it uses less digits than its factorization.

1313480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4709 (or 4705 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1313480 is about 1146.0715509950. The cubic root of 1313480 is about 109.5152220590.

The spelling of 1313480 in words is "one million, three hundred thirteen thousand, four hundred eighty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 4691 9382 18764 23455 32837 37528 46910 65674 93820 131348 164185 187640 262696 328370 656740 1313480