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10428775 = 527232591
BaseRepresentation
bin100111110010…
…000101100111
3201121211120221
4213302011213
510132210100
61011305211
7154433410
oct47620547
921554527
1010428775
115983325
1235ab207
132211a96
141556807
15db001a
hex9f2167

10428775 has 24 divisors (see below), whose sum is σ = 15427584. Its totient is φ = 6837600.

The previous prime is 10428731. The next prime is 10428787. The reversal of 10428775 is 57782401.

It is a happy number.

It is not a de Polignac number, because 10428775 - 29 = 10428263 is a prime.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10428775.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2730 + ... + 5320.

It is an arithmetic number, because the mean of its divisors is an integer number (642816).

Almost surely, 210428775 is an apocalyptic number.

10428775 is a deficient number, since it is larger than the sum of its proper divisors (4998809).

10428775 is a wasteful number, since it uses less digits than its factorization.

10428775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2631 (or 2626 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 34.

The square root of 10428775 is about 3229.3613919783. The cubic root of 10428775 is about 218.4797042452.

The spelling of 10428775 in words is "ten million, four hundred twenty-eight thousand, seven hundred seventy-five".

Divisors: 1 5 7 23 25 35 115 161 175 575 805 2591 4025 12955 18137 59593 64775 90685 297965 417151 453425 1489825 2085755 10428775