Search a number
-
+
1107728990 = 25234816213
BaseRepresentation
bin100001000000110…
…1001101001011110
32212012101110111122
41002001221221132
54232034311430
6301530250542
736310353404
oct10201515136
92765343448
101107728990
11519314205
1226ab86a52
13148658954
14a7191474
15673b0ee5
hex42069a5e

1107728990 has 16 divisors (see below), whose sum is σ = 2080604448. Its totient is φ = 423826656.

The previous prime is 1107728989. The next prime is 1107729011. The reversal of 1107728990 is 998277011.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2407877 + ... + 2408336.

It is an arithmetic number, because the mean of its divisors is an integer number (130037778).

Almost surely, 21107728990 is an apocalyptic number.

1107728990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1107728990 is a deficient number, since it is larger than the sum of its proper divisors (972875458).

1107728990 is a wasteful number, since it uses less digits than its factorization.

1107728990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4816243.

The product of its (nonzero) digits is 63504, while the sum is 44.

The square root of 1107728990 is about 33282.5628520401. The cubic root of 1107728990 is about 1034.6921968939.

The spelling of 1107728990 in words is "one billion, one hundred seven million, seven hundred twenty-eight thousand, nine hundred ninety".

Divisors: 1 2 5 10 23 46 115 230 4816213 9632426 24081065 48162130 110772899 221545798 553864495 1107728990