Search a number
-
+
1111424870 = 25374369857
BaseRepresentation
bin100001000111110…
…1111111101100110
32212110100020022002
41002033233331212
54234011043440
6302141405302
736353645513
oct10217577546
92773306262
101111424870
11520408a56
12270269832
13149350c6a
14a787430a
1567891115
hex423eff66

1111424870 has 32 divisors (see below), whose sum is σ = 2102446368. Its totient is φ = 422489088.

The previous prime is 1111424801. The next prime is 1111424903. The reversal of 1111424870 is 784241111.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19019 + ... + 50838.

It is an arithmetic number, because the mean of its divisors is an integer number (65701449).

Almost surely, 21111424870 is an apocalyptic number.

1111424870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1111424870 is a deficient number, since it is larger than the sum of its proper divisors (991021498).

1111424870 is a wasteful number, since it uses less digits than its factorization.

1111424870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69944.

The product of its (nonzero) digits is 1792, while the sum is 29.

The square root of 1111424870 is about 33338.0393844629. The cubic root of 1111424870 is about 1035.8416516579.

Adding to 1111424870 its reverse (784241111), we get a palindrome (1895665981).

The spelling of 1111424870 in words is "one billion, one hundred eleven million, four hundred twenty-four thousand, eight hundred seventy".

Divisors: 1 2 5 10 37 43 74 86 185 215 370 430 1591 3182 7955 15910 69857 139714 349285 698570 2584709 3003851 5169418 6007702 12923545 15019255 25847090 30038510 111142487 222284974 555712435 1111424870