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1072869039 = 321159832213
BaseRepresentation
bin111111111100101…
…010111010101111
32202202210101122100
4333330222322233
54144123302124
6254243150143
735405144034
oct7774527257
92682711570
101072869039
11500674430
1225b375353
13141371868
14a26b938b
15642c71c9
hex3ff2aeaf

1072869039 has 48 divisors (see below), whose sum is σ = 1740735360. Its totient is φ = 631216320.

The previous prime is 1072869023. The next prime is 1072869071. The reversal of 1072869039 is 9309682701.

It is not a de Polignac number, because 1072869039 - 24 = 1072869023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1072868985 and 1072869003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1072869079) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 483697 + ... + 485909.

It is an arithmetic number, because the mean of its divisors is an integer number (36265320).

Almost surely, 21072869039 is an apocalyptic number.

1072869039 is a deficient number, since it is larger than the sum of its proper divisors (667866321).

1072869039 is a wasteful number, since it uses less digits than its factorization.

1072869039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2372 (or 2369 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 1072869039 is about 32754.6796503950. The cubic root of 1072869039 is about 1023.7224739118.

The spelling of 1072869039 in words is "one billion, seventy-two million, eight hundred sixty-nine thousand, thirty-nine".

Divisors: 1 3 9 11 33 59 83 99 177 249 531 649 747 913 1947 2213 2739 4897 5841 6639 8217 14691 19917 24343 44073 53867 73029 130567 161601 183679 219087 391701 484803 551037 1175103 1436237 1653111 2020469 4308711 6061407 10837061 12926133 18184221 32511183 97533549 119207671 357623013 1072869039