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115123330 = 2572956711
BaseRepresentation
bin1101101110010…
…10010010000010
322000121212112001
412313022102002
5213432421310
615231254214
72565350350
oct667122202
9260555461
10115123330
1159a90953
123267a36a
131ab0a31a
141140a7d0
15a19093a
hex6dca482

115123330 has 32 divisors (see below), whose sum is σ = 244995840. Its totient is φ = 38109120.

The previous prime is 115123273. The next prime is 115123331. The reversal of 115123330 is 33321511.

It is a super-2 number, since 2×1151233302 = 26506762220577800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 115123298 and 115123307.

It is not an unprimeable number, because it can be changed into a prime (115123331) 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, 26326 + ... + 30385.

It is an arithmetic number, because the mean of its divisors is an integer number (7656120).

Almost surely, 2115123330 is an apocalyptic number.

115123330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115123330 is an abundant number, since it is smaller than the sum of its proper divisors (129872510).

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

115123330 is a wasteful number, since it uses less digits than its factorization.

115123330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56754.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 115123330 is about 10729.5540447868. The cubic root of 115123330 is about 486.4681906836.

Adding to 115123330 its reverse (33321511), we get a palindrome (148444841).

The spelling of 115123330 in words is "one hundred fifteen million, one hundred twenty-three thousand, three hundred thirty".

Divisors: 1 2 5 7 10 14 29 35 58 70 145 203 290 406 1015 2030 56711 113422 283555 396977 567110 793954 1644619 1984885 3289238 3969770 8223095 11512333 16446190 23024666 57561665 115123330