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115240430 = 2543283947
BaseRepresentation
bin1101101111001…
…10110111101110
322000211211011002
412313212313232
5214000143210
615234000302
72566345634
oct667466756
9260754132
10115240430
115a060928
1232716092
131ab4b706
141143b354
15a1b54a5
hex6de6dee

115240430 has 32 divisors (see below), whose sum is σ = 213231744. Its totient is φ = 44817696.

The previous prime is 115240429. The next prime is 115240441. The reversal of 115240430 is 34042511.

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, 121217 + ... + 122163.

It is an arithmetic number, because the mean of its divisors is an integer number (6663492).

Almost surely, 2115240430 is an apocalyptic number.

115240430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115240430 is a deficient number, since it is larger than the sum of its proper divisors (97991314).

115240430 is a wasteful number, since it uses less digits than its factorization.

115240430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1280.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 115240430 is about 10735.0095482026. The cubic root of 115240430 is about 486.6330750777.

Adding to 115240430 its reverse (34042511), we get a palindrome (149282941).

The spelling of 115240430 in words is "one hundred fifteen million, two hundred forty thousand, four hundred thirty".

Divisors: 1 2 5 10 43 86 215 283 430 566 947 1415 1894 2830 4735 9470 12169 24338 40721 60845 81442 121690 203605 268001 407210 536002 1340005 2680010 11524043 23048086 57620215 115240430