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1206260530 = 252331169181
BaseRepresentation
bin100011111100110…
…0001001100110010
310010001210101100221
41013321201030302
54432300314110
6315410203254
741615021356
oct10771411462
93101711327
101206260530
115699a2432
12297b8352a
13162ba6c37
14b62bd466
1570d757da
hex47e61332

1206260530 has 32 divisors (see below), whose sum is σ = 2338771968. Its totient is φ = 446635200.

The previous prime is 1206260519. The next prime is 1206260537. The reversal of 1206260530 is 350626021.

1206260530 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1206260495 and 1206260504.

It is not an unprimeable number, because it can be changed into a prime (1206260537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77461 + ... + 91720.

It is an arithmetic number, because the mean of its divisors is an integer number (73086624).

Almost surely, 21206260530 is an apocalyptic number.

1206260530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1206260530 is a deficient number, since it is larger than the sum of its proper divisors (1132511438).

1206260530 is a wasteful number, since it uses less digits than its factorization.

1206260530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169242.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 1206260530 is about 34731.2615664908. The cubic root of 1206260530 is about 1064.5033663491.

Adding to 1206260530 its reverse (350626021), we get a palindrome (1556886551).

The spelling of 1206260530 in words is "one billion, two hundred six million, two hundred sixty thousand, five hundred thirty".

Divisors: 1 2 5 10 23 31 46 62 115 155 230 310 713 1426 3565 7130 169181 338362 845905 1691810 3891163 5244611 7782326 10489222 19455815 26223055 38911630 52446110 120626053 241252106 603130265 1206260530