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1480031 = 7211433
BaseRepresentation
bin101101001010101011111
32210012012222
411221111133
5334330111
651415555
715402650
oct5512537
92705188
101480031
11920a73
125b45bb
133ca877
142a7527
151e37db
hex16955f

1480031 has 4 divisors (see below), whose sum is σ = 1691472. Its totient is φ = 1268592.

The previous prime is 1480021. The next prime is 1480067. The reversal of 1480031 is 1300841.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1480031 - 210 = 1479007 is a prime.

It is a super-2 number, since 2×14800312 = 4380983521922, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a zygodrome in base 4.

It is a junction number, because it is equal to n+sod(n) for n = 1479991 and 1480009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1480001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105710 + ... + 105723.

It is an arithmetic number, because the mean of its divisors is an integer number (422868).

21480031 is an apocalyptic number.

1480031 is a deficient number, since it is larger than the sum of its proper divisors (211441).

1480031 is an equidigital number, since it uses as much as digits as its factorization.

1480031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211440.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1480031 is about 1216.5652469144. The cubic root of 1480031 is about 113.9611799699.

Adding to 1480031 its reverse (1300841), we get a palindrome (2780872).

The spelling of 1480031 in words is "one million, four hundred eighty thousand, thirty-one".

Divisors: 1 7 211433 1480031