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1342404233 = 10691255757
BaseRepresentation
bin101000000000011…
…0111011010001001
310110112222012102022
41100000313122021
510222123413413
6341112214225
745160150652
oct12000673211
93415865368
101342404233
11629830195
1231569a375
13185163c41
14ca3dc529
157ccb9608
hex50037689

1342404233 has 4 divisors (see below), whose sum is σ = 1343661060. Its totient is φ = 1341147408.

The previous prime is 1342404211. The next prime is 1342404241. The reversal of 1342404233 is 3324042431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3324042431 = 3479579373.

It can be written as a sum of positive squares in 2 ways, for example, as 227044624 + 1115359609 = 15068^2 + 33397^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1342404233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1342404263) 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, 626810 + ... + 628947.

It is an arithmetic number, because the mean of its divisors is an integer number (335915265).

Almost surely, 21342404233 is an apocalyptic number.

It is an amenable number.

1342404233 is a deficient number, since it is larger than the sum of its proper divisors (1256827).

1342404233 is a wasteful number, since it uses less digits than its factorization.

1342404233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256826.

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 1342404233 is about 36638.8350387946. The cubic root of 1342404233 is about 1103.1327316886.

Adding to 1342404233 its reverse (3324042431), we get a palindrome (4666446664).

The spelling of 1342404233 in words is "one billion, three hundred forty-two million, four hundred four thousand, two hundred thirty-three".

Divisors: 1 1069 1255757 1342404233