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1480972249 = 3740026277
BaseRepresentation
bin101100001000101…
…1101011111011001
310211012201012000001
41120101131133121
511013112102444
6402542213001
751462025231
oct13021353731
93735635001
101480972249
1169aa74409
12353b84161
131a7a8c553
1410098ccc1
158a03b8d4
hex5845d7d9

1480972249 has 4 divisors (see below), whose sum is σ = 1520998564. Its totient is φ = 1440945936.

The previous prime is 1480972247. The next prime is 1480972253. The reversal of 1480972249 is 9422790841.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1034072649 + 446899600 = 32157^2 + 21140^2 .

It is a cyclic number.

It is not a de Polignac number, because 1480972249 - 21 = 1480972247 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1480972199 and 1480972208.

It is not an unprimeable number, because it can be changed into a prime (1480972247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20013102 + ... + 20013175.

It is an arithmetic number, because the mean of its divisors is an integer number (380249641).

Almost surely, 21480972249 is an apocalyptic number.

It is an amenable number.

1480972249 is a deficient number, since it is larger than the sum of its proper divisors (40026315).

1480972249 is an equidigital number, since it uses as much as digits as its factorization.

1480972249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40026314.

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 1480972249 is about 38483.4022534391. The cubic root of 1480972249 is about 1139.8533331884.

The spelling of 1480972249 in words is "one billion, four hundred eighty million, nine hundred seventy-two thousand, two hundred forty-nine".

Divisors: 1 37 40026277 1480972249