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1085031802 = 2542515901
BaseRepresentation
bin100000010101100…
…0100010101111010
32210121200022211001
41000223010111322
54210232004202
6255355555214
735613422011
oct10053042572
92717608731
101085031802
115075214a8
1226345bb0a
13143a3c96a
14a4163a78
15653cad87
hex40ac457a

1085031802 has 4 divisors (see below), whose sum is σ = 1627547706. Its totient is φ = 542515900.

The previous prime is 1085031799. The next prime is 1085031809. The reversal of 1085031802 is 2081305801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2081305801 = 17122429753.

It can be written as a sum of positive squares in only one way, i.e., 1083660561 + 1371241 = 32919^2 + 1171^2 .

It is a super-2 number, since 2×10850318022 = 2354588022702734408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1085031809) 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 as a sum of consecutive naturals, namely, 271257949 + ... + 271257952.

Almost surely, 21085031802 is an apocalyptic number.

1085031802 is a deficient number, since it is larger than the sum of its proper divisors (542515904).

1085031802 is an equidigital number, since it uses as much as digits as its factorization.

1085031802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542515903.

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 1085031802 is about 32939.8209163316. The cubic root of 1085031802 is about 1027.5764813828.

The spelling of 1085031802 in words is "one billion, eighty-five million, thirty-one thousand, eight hundred two".

Divisors: 1 2 542515901 1085031802