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1300052233 = 2575058569
BaseRepresentation
bin100110101111101…
…0011100100001001
310100121021111101201
41031133103210021
510130303132413
6333000344201
744134155514
oct11537234411
93317244351
101300052233
11607933537
12303475061
1317945599c
14c4935d7b
15792009dd
hex4d7d3909

1300052233 has 4 divisors (see below), whose sum is σ = 1305111060. Its totient is φ = 1294993408.

The previous prime is 1300052227. The next prime is 1300052251. The reversal of 1300052233 is 3322500031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3322500031 = 29531125127.

It can be written as a sum of positive squares in 2 ways, for example, as 910108224 + 389944009 = 30168^2 + 19747^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1300052233 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1300052233.

It is not an unprimeable number, because it can be changed into a prime (1300052263) 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, 2529028 + ... + 2529541.

It is an arithmetic number, because the mean of its divisors is an integer number (326277765).

Almost surely, 21300052233 is an apocalyptic number.

It is an amenable number.

1300052233 is a deficient number, since it is larger than the sum of its proper divisors (5058827).

1300052233 is an equidigital number, since it uses as much as digits as its factorization.

1300052233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5058826.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 1300052233 is about 36056.2370887479. The cubic root of 1300052233 is about 1091.4074999742.

Adding to 1300052233 its reverse (3322500031), we get a palindrome (4622552264).

The spelling of 1300052233 in words is "one billion, three hundred million, fifty-two thousand, two hundred thirty-three".

Divisors: 1 257 5058569 1300052233