Search a number
-
+
1086872697 = 32472569439
BaseRepresentation
bin100000011001000…
…0101110001111001
32210202010212001100
41000302011301321
54211214411242
6255503242013
735635160031
oct10062056171
92722125040
101086872697
115085695a9
12263ba9309
13144235851
14a44c28c1
156564154c
hex40c85c79

1086872697 has 12 divisors (see below), whose sum is σ = 1603330560. Its totient is φ = 709164888.

The previous prime is 1086872671. The next prime is 1086872779. The reversal of 1086872697 is 7962786801.

It is not a de Polignac number, because 1086872697 - 27 = 1086872569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1086872497) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1284297 + ... + 1285142.

It is an arithmetic number, because the mean of its divisors is an integer number (133610880).

Almost surely, 21086872697 is an apocalyptic number.

It is an amenable number.

1086872697 is a deficient number, since it is larger than the sum of its proper divisors (516457863).

1086872697 is a wasteful number, since it uses less digits than its factorization.

1086872697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2569492 (or 2569489 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 54.

The square root of 1086872697 is about 32967.7523801669. The cubic root of 1086872697 is about 1028.1572912712.

The spelling of 1086872697 in words is "one billion, eighty-six million, eight hundred seventy-two thousand, six hundred ninety-seven".

Divisors: 1 3 9 47 141 423 2569439 7708317 23124951 120763633 362290899 1086872697