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8752028 = 227130817
BaseRepresentation
bin100001011000…
…101110011100
3121110122112012
4201120232130
54220031103
6511330352
7134251055
oct41305634
917418465
108752028
114a3858a
122b209b8
131a7581c
14123b72c
15b7d2d8
hex858b9c

8752028 has 12 divisors (see below), whose sum is σ = 15532272. Its totient is φ = 4314240.

The previous prime is 8751973. The next prime is 8752031. The reversal of 8752028 is 8202578.

It is a super-2 number, since 2×87520282 = 153195988225568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8751985 and 8752003.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 15125 + ... + 15692.

It is an arithmetic number, because the mean of its divisors is an integer number (1294356).

Almost surely, 28752028 is an apocalyptic number.

It is an amenable number.

8752028 is a deficient number, since it is larger than the sum of its proper divisors (6780244).

8752028 is a wasteful number, since it uses less digits than its factorization.

8752028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30892 (or 30890 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 8752028 is about 2958.3826662553. The cubic root of 8752028 is about 206.0801836970.

The spelling of 8752028 in words is "eight million, seven hundred fifty-two thousand, twenty-eight".

Divisors: 1 2 4 71 142 284 30817 61634 123268 2188007 4376014 8752028