Search a number
-
+
1111401430 = 251491574751
BaseRepresentation
bin100001000111110…
…1010001111010110
32212110022001010221
41002033222033112
54234004321210
6302141104554
736353520256
oct10217521726
92773261127
101111401430
115203a2387
1227025815a
131493433a9
14a7869966
15678891da
hex423ea3d6

1111401430 has 32 divisors (see below), whose sum is σ = 2027203200. Its totient is φ = 438672000.

The previous prime is 1111401413. The next prime is 1111401437. The reversal of 1111401430 is 341041111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111401437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 231555 + ... + 236305.

It is an arithmetic number, because the mean of its divisors is an integer number (63350100).

Almost surely, 21111401430 is an apocalyptic number.

1111401430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1111401430 is a deficient number, since it is larger than the sum of its proper divisors (915801770).

1111401430 is a wasteful number, since it uses less digits than its factorization.

1111401430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5064.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 1111401430 is about 33337.6878322418. The cubic root of 1111401430 is about 1035.8343696245.

Adding to 1111401430 its reverse (341041111), we get a palindrome (1452442541).

The spelling of 1111401430 in words is "one billion, one hundred eleven million, four hundred one thousand, four hundred thirty".

Divisors: 1 2 5 10 149 157 298 314 745 785 1490 1570 4751 9502 23393 23755 46786 47510 116965 233930 707899 745907 1415798 1491814 3539495 3729535 7078990 7459070 111140143 222280286 555700715 1111401430