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872035240 = 23537589213
BaseRepresentation
bin110011111110100…
…011001110101000
32020202212222110111
4303332203032220
53241220111430
6222310424104
730416114536
oct6376431650
92222788414
10872035240
11408271a8a
12204062034
1310b884bab
1483b5b156
1551855c2a
hex33fa33a8

872035240 has 32 divisors (see below), whose sum is σ = 2015111880. Its totient is φ = 339386112.

The previous prime is 872035231. The next prime is 872035243. The reversal of 872035240 is 42530278.

It can be written as a sum of positive squares in 4 ways, for example, as 679436356 + 192598884 = 26066^2 + 13878^2 .

It is not an unprimeable number, because it can be changed into a prime (872035243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 293127 + ... + 296086.

Almost surely, 2872035240 is an apocalyptic number.

It is an amenable number.

872035240 is an abundant number, since it is smaller than the sum of its proper divisors (1143076640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

872035240 is a wasteful number, since it uses less digits than its factorization.

872035240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589261 (or 589257 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 872035240 is about 29530.2428029300. The cubic root of 872035240 is about 955.3841057899.

The spelling of 872035240 in words is "eight hundred seventy-two million, thirty-five thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 37 40 74 148 185 296 370 740 1480 589213 1178426 2356852 2946065 4713704 5892130 11784260 21800881 23568520 43601762 87203524 109004405 174407048 218008810 436017620 872035240