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1042642965 = 35713258757
BaseRepresentation
bin111110001001010…
…111100000010101
32200122220202021010
4332021113200111
54113404033330
6251243242433
734560214260
oct7611274025
92618822233
101042642965
114955aa101
12251219419
1313801aa00
149c68bcd7
15618063b0
hex3e257815

1042642965 has 48 divisors (see below), whose sum is σ = 2064521088. Its totient is φ = 439964928.

The previous prime is 1042642891. The next prime is 1042643053. The reversal of 1042642965 is 5692462401.

It is a happy number.

1042642965 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 1042642965 - 28 = 1042642709 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11634 + ... + 47123.

It is an arithmetic number, because the mean of its divisors is an integer number (43010856).

Almost surely, 21042642965 is an apocalyptic number.

1042642965 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1042642965 is a deficient number, since it is larger than the sum of its proper divisors (1021878123).

1042642965 is a wasteful number, since it uses less digits than its factorization.

1042642965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58798 (or 58785 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 1042642965 is about 32289.9824248946. The cubic root of 1042642965 is about 1014.0169293689.

The spelling of 1042642965 in words is "one billion, forty-two million, six hundred forty-two thousand, nine hundred sixty-five".

Divisors: 1 3 5 7 13 15 21 35 39 65 91 105 169 195 273 455 507 845 1183 1365 2535 3549 5915 17745 58757 176271 293785 411299 763841 881355 1233897 2056495 2291523 3819205 5346887 6169485 9929933 11457615 16040661 26734435 29789799 49649665 69509531 80203305 148948995 208528593 347547655 1042642965