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1074722881 = 17317199429
BaseRepresentation
bin100000000001110…
…1111100001000001
32202220021120122011
41000003233201001
54200112113011
6254351012521
735426664601
oct10003574101
92686246564
101074722881
11501720231
1225bb0a141
131418705cb
14a2a3cc01
1564541621
hex400ef841

1074722881 has 8 divisors (see below), whose sum is σ = 1141537320. Its totient is φ = 1008307968.

The previous prime is 1074722879. The next prime is 1074722893. The reversal of 1074722881 is 1882274701.

It can be written as a sum of positive squares in 4 ways, for example, as 66977856 + 1007745025 = 8184^2 + 31745^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1074722881 - 21 = 1074722879 is a prime.

It is a super-2 number, since 2×10747228812 = 2310058541889880322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1074722681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94326 + ... + 105103.

It is an arithmetic number, because the mean of its divisors is an integer number (142692165).

Almost surely, 21074722881 is an apocalyptic number.

It is an amenable number.

1074722881 is a deficient number, since it is larger than the sum of its proper divisors (66814439).

1074722881 is a wasteful number, since it uses less digits than its factorization.

1074722881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199763.

The product of its (nonzero) digits is 50176, while the sum is 40.

The square root of 1074722881 is about 32782.9663239921. The cubic root of 1074722881 is about 1024.3117746864.

The spelling of 1074722881 in words is "one billion, seventy-four million, seven hundred twenty-two thousand, eight hundred eighty-one".

Divisors: 1 17 317 5389 199429 3390293 63218993 1074722881