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1480 = 23537
BaseRepresentation
bin10111001000
32000211
4113020
521410
610504
74213
oct2710
92024
101480
111126
12a34
1389b
1477a
1568a
hex5c8

1480 has 16 divisors (see below), whose sum is σ = 3420. Its totient is φ = 576.

The previous prime is 1471. The next prime is 1481. The reversal of 1480 is 841.

It can be written as a sum of positive squares in 2 ways, for example, as 1444 + 36 = 38^2 + 6^2 .

It is a plaindrome in base 11, base 13, base 14 and base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 1480.

It is not an unprimeable number, because it can be changed into a prime (1481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22 + ... + 58.

21480 is an apocalyptic number.

1480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1710).

1480 is an abundant number, since it is smaller than the sum of its proper divisors (1940).

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

1480 is a wasteful number, since it uses less digits than its factorization.

1480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48 (or 44 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1480 is about 38.4707681233. The cubic root of 1480 is about 11.3960384306.

The spelling of 1480 in words is "one thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 20 37 40 74 148 185 296 370 740 1480