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1073796409 = 7153399487
BaseRepresentation
bin100000000000000…
…1101010100111001
32202211112111202101
41000000031110321
54144342441114
6254315103401
735416055530
oct10000152471
92684474671
101073796409
11501148154
1225b741b61
131416079ba
14a287b317
156440bd74
hex4000d539

1073796409 has 4 divisors (see below), whose sum is σ = 1227195904. Its totient is φ = 920396916.

The previous prime is 1073796397. The next prime is 1073796413. The reversal of 1073796409 is 9046973701.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9046973701 = 53170697617.

It is a cyclic number.

It is not a de Polignac number, because 1073796409 - 27 = 1073796281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1073796509) 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, 76699737 + ... + 76699750.

It is an arithmetic number, because the mean of its divisors is an integer number (306798976).

Almost surely, 21073796409 is an apocalyptic number.

It is an amenable number.

1073796409 is a deficient number, since it is larger than the sum of its proper divisors (153399495).

1073796409 is an equidigital number, since it uses as much as digits as its factorization.

1073796409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153399494.

The product of its (nonzero) digits is 285768, while the sum is 46.

The square root of 1073796409 is about 32768.8328904159. The cubic root of 1073796409 is about 1024.0173518102.

The spelling of 1073796409 in words is "one billion, seventy-three million, seven hundred ninety-six thousand, four hundred nine".

Divisors: 1 7 153399487 1073796409