Search a number
-
+
1098075087 = 32313935753
BaseRepresentation
bin100000101110011…
…0100101111001111
32211112012222211200
41001130310233033
54222101400322
6300543320543
736132325044
oct10134645717
92745188750
101098075087
1151392007a
122678b0153
13146658795
14a5b9b1cb
15666058ac
hex41734bcf

1098075087 has 12 divisors (see below), whose sum is σ = 1637273664. Its totient is φ = 708435360.

The previous prime is 1098075061. The next prime is 1098075089. The reversal of 1098075087 is 7805708901.

It is not a de Polignac number, because 1098075087 - 26 = 1098075023 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1098075089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1967598 + ... + 1968155.

It is an arithmetic number, because the mean of its divisors is an integer number (136439472).

Almost surely, 21098075087 is an apocalyptic number.

1098075087 is a deficient number, since it is larger than the sum of its proper divisors (539198577).

1098075087 is a wasteful number, since it uses less digits than its factorization.

1098075087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3935790 (or 3935787 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 45.

The square root of 1098075087 is about 33137.2160417860. The cubic root of 1098075087 is about 1031.6776276983.

The spelling of 1098075087 in words is "one billion, ninety-eight million, seventy-five thousand, eighty-seven".

Divisors: 1 3 9 31 93 279 3935753 11807259 35421777 122008343 366025029 1098075087