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1113045430 = 257131121379
BaseRepresentation
bin100001001010111…
…1011100110110110
32212120101120021211
41002111323212312
54234414423210
6302240232034
736403505260
oct10225734666
92776346254
101113045430
11521315562
1227090b61a
1314979a783
14a7b76b30
1567ab138a
hex4257b9b6

1113045430 has 32 divisors (see below), whose sum is σ = 2307191040. Its totient is φ = 378699360.

The previous prime is 1113045397. The next prime is 1113045499. The reversal of 1113045430 is 345403111.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 51520 + ... + 69859.

It is an arithmetic number, because the mean of its divisors is an integer number (72099720).

Almost surely, 21113045430 is an apocalyptic number.

1113045430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1113045430 is an abundant number, since it is smaller than the sum of its proper divisors (1194145610).

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

1113045430 is a wasteful number, since it uses less digits than its factorization.

1113045430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121524.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1113045430 is about 33362.3354997818. The cubic root of 1113045430 is about 1036.3448580614.

Adding to 1113045430 its reverse (345403111), we get a palindrome (1458448541).

It can be divided in two parts, 11130 and 45430, that multiplied together give a triangular number (505635900 = T31800).

The spelling of 1113045430 in words is "one billion, one hundred thirteen million, forty-five thousand, four hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 131 262 655 917 1310 1834 4585 9170 121379 242758 606895 849653 1213790 1699306 4248265 8496530 15900649 31801298 79503245 111304543 159006490 222609086 556522715 1113045430