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1085459797 = 1971877949
BaseRepresentation
bin100000010110010…
…1100110101010101
32210122111001220201
41000230230311111
54210334203142
6255413100501
735620153552
oct10054546525
92718431821
101085459797
11507794014
12263627731
13143b5c706
14a4235a29
1565462ab7
hex40b2cd55

1085459797 has 8 divisors (see below), whose sum is σ = 1142892000. Its totient is φ = 1028057904.

The previous prime is 1085459777. The next prime is 1085459819. The reversal of 1085459797 is 7979545801.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1085459797 - 215 = 1085427029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1085459717) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132579 + ... + 140527.

It is an arithmetic number, because the mean of its divisors is an integer number (142861500).

Almost surely, 21085459797 is an apocalyptic number.

It is an amenable number.

1085459797 is a deficient number, since it is larger than the sum of its proper divisors (57432203).

1085459797 is an equidigital number, since it uses as much as digits as its factorization.

1085459797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15155.

The product of its (nonzero) digits is 3175200, while the sum is 55.

The square root of 1085459797 is about 32946.3168958231. The cubic root of 1085459797 is about 1027.7115741305.

The spelling of 1085459797 in words is "one billion, eighty-five million, four hundred fifty-nine thousand, seven hundred ninety-seven".

Divisors: 1 19 7187 7949 136553 151031 57129463 1085459797