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1206473530 = 25120647353
BaseRepresentation
bin100011111101001…
…0101001100111010
310010002012012112211
41013322111030322
54432324123110
6315414525334
741616566353
oct10772251472
93102165484
101206473530
1156a028469
1229806684a
13162c4cb82
14b6336d2a
1570db898a
hex47e9533a

1206473530 has 8 divisors (see below), whose sum is σ = 2171652372. Its totient is φ = 482589408.

The previous prime is 1206473509. The next prime is 1206473537. The reversal of 1206473530 is 353746021.

It can be written as a sum of positive squares in 2 ways, for example, as 1017163449 + 189310081 = 31893^2 + 13759^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1206473492 and 1206473501.

It is not an unprimeable number, because it can be changed into a prime (1206473537) 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, 60323667 + ... + 60323686.

Almost surely, 21206473530 is an apocalyptic number.

1206473530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1206473530 is a deficient number, since it is larger than the sum of its proper divisors (965178842).

1206473530 is a wasteful number, since it uses less digits than its factorization.

1206473530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120647360.

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 1206473530 is about 34734.3278328515. The cubic root of 1206473530 is about 1064.5660188930.

The spelling of 1206473530 in words is "one billion, two hundred six million, four hundred seventy-three thousand, five hundred thirty".

Divisors: 1 2 5 10 120647353 241294706 603236765 1206473530