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1480870821 = 31609130677
BaseRepresentation
bin101100001000100…
…0100101110100101
310211012112000212110
41120101010232211
511013100331241
6402540111233
751461123433
oct13021045645
93735460773
101480870821
1169aa05191
12353b35519
131a7a55331
14100963d53
158a01b816
hex58444ba5

1480870821 has 8 divisors (see below), whose sum is σ = 1974681504. Its totient is φ = 987153680.

The previous prime is 1480870793. The next prime is 1480870871. The reversal of 1480870821 is 1280780841.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1480870821 - 26 = 1480870757 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1480870821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1480870871) 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 7 ways as a sum of consecutive naturals, for example, 32935 + ... + 63611.

It is an arithmetic number, because the mean of its divisors is an integer number (246835188).

Almost surely, 21480870821 is an apocalyptic number.

It is an amenable number.

1480870821 is a deficient number, since it is larger than the sum of its proper divisors (493810683).

1480870821 is a wasteful number, since it uses less digits than its factorization.

1480870821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46771.

The product of its (nonzero) digits is 28672, while the sum is 39.

The square root of 1480870821 is about 38482.0844159981. The cubic root of 1480870821 is about 1139.8273107149.

The spelling of 1480870821 in words is "one billion, four hundred eighty million, eight hundred seventy thousand, eight hundred twenty-one".

Divisors: 1 3 16091 30677 48273 92031 493623607 1480870821