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773020801 = 7110431543
BaseRepresentation
bin101110000100110…
…101110010000001
31222212120112012001
4232010311302001
53040343131201
6204412304001
725104365650
oct5604656201
91885515161
10773020801
11367393a73
12196a72001
13c41c7b77
1474945197
1547ce8301
hex2e135c81

773020801 has 4 divisors (see below), whose sum is σ = 883452352. Its totient is φ = 662589252.

The previous prime is 773020799. The next prime is 773020811. The reversal of 773020801 is 108020377.

It is a happy number.

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: 108020377 = 195685283.

It is a cyclic number.

It is not a de Polignac number, because 773020801 - 21 = 773020799 is a prime.

It is a super-2 number, since 2×7730208012 = 1195122317557363202, which contains 22 as substring.

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 773020801.

It is not an unprimeable number, because it can be changed into a prime (773020811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55215765 + ... + 55215778.

It is an arithmetic number, because the mean of its divisors is an integer number (220863088).

Almost surely, 2773020801 is an apocalyptic number.

It is an amenable number.

773020801 is a deficient number, since it is larger than the sum of its proper divisors (110431551).

773020801 is a wasteful number, since it uses less digits than its factorization.

773020801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110431550.

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 773020801 is about 27803.2516263836. The cubic root of 773020801 is about 917.7626798753.

The spelling of 773020801 in words is "seven hundred seventy-three million, twenty thousand, eight hundred one".

Divisors: 1 7 110431543 773020801