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1204350427 = 7172050061
BaseRepresentation
bin100011111001000…
…1110110111011011
310002221012100012101
41013302032313123
54431303203202
6315301224231
741562544510
oct10762166733
93087170171
101204350427
11568908335
12297402077
131626886b7
14b5d43307
1570ae9887
hex47c8eddb

1204350427 has 4 divisors (see below), whose sum is σ = 1376400496. Its totient is φ = 1032300360.

The previous prime is 1204350383. The next prime is 1204350443. The reversal of 1204350427 is 7240534021.

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

It is not a de Polignac number, because 1204350427 - 215 = 1204317659 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1204350395 and 1204350404.

It is not an unprimeable number, because it can be changed into a prime (1204350467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86025024 + ... + 86025037.

It is an arithmetic number, because the mean of its divisors is an integer number (344100124).

Almost surely, 21204350427 is an apocalyptic number.

1204350427 is a deficient number, since it is larger than the sum of its proper divisors (172050069).

1204350427 is an equidigital number, since it uses as much as digits as its factorization.

1204350427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172050068.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 1204350427 is about 34703.7523475488. The cubic root of 1204350427 is about 1063.9411922549.

Adding to 1204350427 its reverse (7240534021), we get a palindrome (8444884448).

The spelling of 1204350427 in words is "one billion, two hundred four million, three hundred fifty thousand, four hundred twenty-seven".

Divisors: 1 7 172050061 1204350427