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115501330 = 2572733229
BaseRepresentation
bin1101110001001…
…10100100010010
322001100002001001
412320212210102
5214032020310
615243332214
72601513400
oct670464422
9261302031
10115501330
115a21994a
123282106a
131ac103a9
14114a8470
15a21793a
hex6e26912

115501330 has 48 divisors (see below), whose sum is σ = 245234520. Its totient is φ = 39045888.

The previous prime is 115501327. The next prime is 115501333. The reversal of 115501330 is 33105511.

It is an interprime number because it is at equal distance from previous prime (115501327) and next prime (115501333).

It can be written as a sum of positive squares in 4 ways, for example, as 85766121 + 29735209 = 9261^2 + 5453^2 .

It is a junction number, because it is equal to n+sod(n) for n = 115501298 and 115501307.

It is not an unprimeable number, because it can be changed into a prime (115501333) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34156 + ... + 37384.

Almost surely, 2115501330 is an apocalyptic number.

115501330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115501330 is an abundant number, since it is smaller than the sum of its proper divisors (129733190).

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

115501330 is a wasteful number, since it uses less digits than its factorization.

115501330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3323 (or 3316 counting only the distinct ones).

The product of its (nonzero) digits is 225, while the sum is 19.

The square root of 115501330 is about 10747.1545071242. The cubic root of 115501330 is about 487.0000379476. Note that the first 4 decimals are identical.

Adding to 115501330 its reverse (33105511), we get a palindrome (148606841).

It can be divided in two parts, 11550 and 1330, that added together give a triangular number (12880 = T160).

The spelling of 115501330 in words is "one hundred fifteen million, five hundred one thousand, three hundred thirty".

Divisors: 1 2 5 7 10 14 35 49 70 73 98 146 245 365 490 511 730 1022 2555 3229 3577 5110 6458 7154 16145 17885 22603 32290 35770 45206 113015 158221 226030 235717 316442 471434 791105 1178585 1582210 1650019 2357170 3300038 8250095 11550133 16500190 23100266 57750665 115501330