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1230874573 = 2668146133
BaseRepresentation
bin100100101011101…
…1010011111001101
310011210002220111011
41021113122133031
510010100441243
6322045525221
742334155415
oct11127323715
93153086434
101230874573
11581884315
122a4273811
13168014566
14b9689645
15730d889d
hex495da7cd

1230874573 has 4 divisors (see below), whose sum is σ = 1230947388. Its totient is φ = 1230801760.

The previous prime is 1230874553. The next prime is 1230874609. The reversal of 1230874573 is 3754780321.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 226111369 + 1004763204 = 15037^2 + 31698^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230874573 - 225 = 1197320141 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230874553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3615 + ... + 49747.

It is an arithmetic number, because the mean of its divisors is an integer number (307736847).

Almost surely, 21230874573 is an apocalyptic number.

It is an amenable number.

1230874573 is a deficient number, since it is larger than the sum of its proper divisors (72815).

1230874573 is an equidigital number, since it uses as much as digits as its factorization.

1230874573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72814.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 1230874573 is about 35083.8220979414. The cubic root of 1230874573 is about 1071.6951535934.

The spelling of 1230874573 in words is "one billion, two hundred thirty million, eight hundred seventy-four thousand, five hundred seventy-three".

Divisors: 1 26681 46133 1230874573