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1001480 = 23525037
BaseRepresentation
bin11110100100000001000
31212212202212
43310200020
5224021410
633244252
711340524
oct3644010
91785685
101001480
11624477
12403688
13290abc
141c0d84
1514bb05
hexf4808

1001480 has 16 divisors (see below), whose sum is σ = 2253420. Its totient is φ = 400576.

The previous prime is 1001467. The next prime is 1001491. The reversal of 1001480 is 841001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 996004 + 5476 = 998^2 + 74^2 .

It is a super-3 number, since 3×10014803 = 3013339723325376000, which contains 333 as substring.

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 3 ways as a sum of consecutive naturals, for example, 12479 + ... + 12558.

21001480 is an apocalyptic number.

1001480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1001480 is an abundant number, since it is smaller than the sum of its proper divisors (1251940).

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

1001480 is a wasteful number, since it uses less digits than its factorization.

1001480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25048 (or 25044 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1001480 is about 1000.7397264024. The cubic root of 1001480 is about 100.0493090155.

Adding to 1001480 its reverse (841001), we get a palindrome (1842481).

The spelling of 1001480 in words is "one million, one thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 25037 50074 100148 125185 200296 250370 500740 1001480