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1115423430 = 235116155411
BaseRepresentation
bin100001001111100…
…0000001011000110
32212201212101021220
41002133000023012
54241022022210
6302403221210
736432641232
oct10237001306
92781771256
101115423430
1152269a150
12271677806
1314a120c84
14a81d55c2
1567dd0c70
hex427c02c6

1115423430 has 64 divisors (see below), whose sum is σ = 2968310016. Its totient is φ = 265968000.

The previous prime is 1115423401. The next prime is 1115423459. The reversal of 1115423430 is 343245111.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1115423401) and next prime (1115423459).

It is a self number, because there is not a number n which added to its sum of digits gives 1115423430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7576 + ... + 47835.

It is an arithmetic number, because the mean of its divisors is an integer number (46379844).

Almost surely, 21115423430 is an apocalyptic number.

1115423430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1115423430 is an abundant number, since it is smaller than the sum of its proper divisors (1852886586).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1115423430 is a wasteful number, since it uses less digits than its factorization.

1115423430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55493.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1115423430 is about 33397.9554763462. The cubic root of 1115423430 is about 1037.0823766504.

Adding to 1115423430 its reverse (343245111), we get a palindrome (1458668541).

The spelling of 1115423430 in words is "one billion, one hundred fifteen million, four hundred twenty-three thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 61 66 110 122 165 183 305 330 366 610 671 915 1342 1830 2013 3355 4026 6710 10065 20130 55411 110822 166233 277055 332466 554110 609521 831165 1219042 1662330 1828563 3047605 3380071 3657126 6095210 6760142 9142815 10140213 16900355 18285630 20280426 33800710 37180781 50701065 74361562 101402130 111542343 185903905 223084686 371807810 557711715 1115423430