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1042028845 = 511131638941
BaseRepresentation
bin111110000111000…
…001100100101101
32200121202112211221
4332013001210231
54113224410340
6251222143341
734552045654
oct7607014455
92617675757
101042028845
1149521a770
12250b81b51
13137b64320
149c56c19b
156173444a
hex3e1c192d

1042028845 has 32 divisors (see below), whose sum is σ = 1478219904. Its totient is φ = 695174400.

The previous prime is 1042028831. The next prime is 1042028851. The reversal of 1042028845 is 5488202401.

1042028845 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1042028845 - 27 = 1042028717 is a prime.

It is a super-2 number, since 2×10420288452 = 2171648227624068050, which contains 22 as substring.

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 1042028845.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 112075 + ... + 121015.

It is an arithmetic number, because the mean of its divisors is an integer number (46194372).

Almost surely, 21042028845 is an apocalyptic number.

It is an amenable number.

1042028845 is a deficient number, since it is larger than the sum of its proper divisors (436191059).

1042028845 is a wasteful number, since it uses less digits than its factorization.

1042028845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9133.

The product of its (nonzero) digits is 20480, while the sum is 34.

The square root of 1042028845 is about 32280.4715733832. The cubic root of 1042028845 is about 1013.8178038771.

The spelling of 1042028845 in words is "one billion, forty-two million, twenty-eight thousand, eight hundred forty-five".

Divisors: 1 5 11 13 55 65 143 163 715 815 1793 2119 8941 8965 10595 23309 44705 98351 116233 116545 491755 581165 1278563 1457383 6392815 7286915 16031213 18945979 80156065 94729895 208405769 1042028845