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872628249 = 3302396221
BaseRepresentation
bin110100000000110…
…100000000011001
32020211000002220210
4310000310000121
53241343100444
6222331241333
730424134453
oct6400640031
92224002823
10872628249
11408637579
122042a9249
1310ba31a9c
1483c732d3
15519217b9
hex34034019

872628249 has 8 divisors (see below), whose sum is σ = 1163901312. Its totient is φ = 581553680.

The previous prime is 872628227. The next prime is 872628259. The reversal of 872628249 is 942826278.

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 872628249 - 25 = 872628217 is a prime.

It is a super-2 number, since 2×8726282492 = 1522960121905612002, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 872628198 and 872628207.

It is not an unprimeable number, because it can be changed into a prime (872628259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39042 + ... + 57179.

It is an arithmetic number, because the mean of its divisors is an integer number (145487664).

Almost surely, 2872628249 is an apocalyptic number.

It is an amenable number.

872628249 is a deficient number, since it is larger than the sum of its proper divisors (291273063).

872628249 is a wasteful number, since it uses less digits than its factorization.

872628249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99247.

The product of its digits is 774144, while the sum is 48.

The square root of 872628249 is about 29540.2818029889. The cubic root of 872628249 is about 955.6006195927.

The spelling of 872628249 in words is "eight hundred seventy-two million, six hundred twenty-eight thousand, two hundred forty-nine".

Divisors: 1 3 3023 9069 96221 288663 290876083 872628249