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1040341213 = 2549408137
BaseRepresentation
bin111110000000100…
…101100011011101
32200111120210212001
4332000211203131
54112311404323
6251122042301
734531516522
oct7600454335
92614523761
101040341213
1149427782a
122504a9391
131376c3122
149c24d149
15614ee3ad
hex3e0258dd

1040341213 has 4 divisors (see below), whose sum is σ = 1040751900. Its totient is φ = 1039930528.

The previous prime is 1040341171. The next prime is 1040341223. The reversal of 1040341213 is 3121430401.

1040341213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 750047769 + 290293444 = 27387^2 + 17038^2 .

It is a cyclic number.

It is not a de Polignac number, because 1040341213 - 217 = 1040210141 is a prime.

It is a super-2 number, since 2×10403412132 = 2164619678932622738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040341223) 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, 201520 + ... + 206617.

It is an arithmetic number, because the mean of its divisors is an integer number (260187975).

Almost surely, 21040341213 is an apocalyptic number.

It is an amenable number.

1040341213 is a deficient number, since it is larger than the sum of its proper divisors (410687).

1040341213 is an equidigital number, since it uses as much as digits as its factorization.

1040341213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410686.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1040341213 is about 32254.3208423306. The cubic root of 1040341213 is about 1013.2701939995.

Adding to 1040341213 its reverse (3121430401), we get a palindrome (4161771614).

The spelling of 1040341213 in words is "one billion, forty million, three hundred forty-one thousand, two hundred thirteen".

Divisors: 1 2549 408137 1040341213