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872457011 = 15116335447
BaseRepresentation
bin110100000000001…
…010001100110011
32020210200102000122
4310000022030303
53241322111021
6222323440455
730422522306
oct6400121463
92223612018
10872457011
1140852a958
1220422612b
1310b9a1b6a
1483c2ab3d
15518dabab
hex3400a333

872457011 has 8 divisors (see below), whose sum is σ = 883647744. Its totient is φ = 861337800.

The previous prime is 872456993. The next prime is 872457031. The reversal of 872457011 is 110754278.

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 872457011 - 226 = 805348147 is a prime.

It is a super-2 number, since 2×8724570112 = 1522362472086108242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (872457031) 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, 6890 + ... + 42336.

It is an arithmetic number, because the mean of its divisors is an integer number (110455968).

Almost surely, 2872457011 is an apocalyptic number.

872457011 is a deficient number, since it is larger than the sum of its proper divisors (11190733).

872457011 is a wasteful number, since it uses less digits than its factorization.

872457011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35761.

The product of its (nonzero) digits is 15680, while the sum is 35.

The square root of 872457011 is about 29537.3832794985. The cubic root of 872457011 is about 955.5381088791.

The spelling of 872457011 in words is "eight hundred seventy-two million, four hundred fifty-seven thousand, eleven".

Divisors: 1 151 163 24613 35447 5352497 5777861 872457011