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872000938 = 22131204599
BaseRepresentation
bin110011111110011…
…010110110101010
32020202211020102001
4303332122312222
53241213012223
6222310001214
730415612534
oct6376326652
92222736361
10872000938
11408249236
1220404620a
1310b8723b3
1483b4c854
155184a9ad
hex33f9adaa

872000938 has 8 divisors (see below), whose sum is σ = 1308621600. Its totient is φ = 435793740.

The previous prime is 872000929. The next prime is 872000939. The reversal of 872000938 is 839000278.

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

It is a junction number, because it is equal to n+sod(n) for n = 872000897 and 872000906.

It is not an unprimeable number, because it can be changed into a prime (872000939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98038 + ... + 106561.

It is an arithmetic number, because the mean of its divisors is an integer number (163577700).

Almost surely, 2872000938 is an apocalyptic number.

872000938 is a deficient number, since it is larger than the sum of its proper divisors (436620662).

872000938 is a wasteful number, since it uses less digits than its factorization.

872000938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206732.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 872000938 is about 29529.6620028066. The cubic root of 872000938 is about 955.3715787674.

The spelling of 872000938 in words is "eight hundred seventy-two million, nine hundred thirty-eight", and thus it is an aban number.

Divisors: 1 2 2131 4262 204599 409198 436000469 872000938