Search a number
-
+
115220410 = 2553217397
BaseRepresentation
bin1101101111000…
…01111110111010
322000210210200121
412313201332322
5213444023120
615233323454
72566233364
oct667417672
9260723617
10115220410
115a047888
123270658a
131ab42576
1411433d34
15a1ae5aa
hex6de1fba

115220410 has 16 divisors (see below), whose sum is σ = 211310856. Its totient is φ = 45218368.

The previous prime is 115220401. The next prime is 115220419. The reversal of 115220410 is 14022511.

It is an interprime number because it is at equal distance from previous prime (115220401) and next prime (115220419).

It can be written as a sum of positive squares in 4 ways, for example, as 85507009 + 29713401 = 9247^2 + 5451^2 .

It is not an unprimeable number, because it can be changed into a prime (115220419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108169 + ... + 109228.

Almost surely, 2115220410 is an apocalyptic number.

115220410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115220410 is a deficient number, since it is larger than the sum of its proper divisors (96090446).

115220410 is a wasteful number, since it uses less digits than its factorization.

115220410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217457.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 115220410 is about 10734.0770446275. The cubic root of 115220410 is about 486.6048935376.

Adding to 115220410 its reverse (14022511), we get a palindrome (129242921).

The spelling of 115220410 in words is "one hundred fifteen million, two hundred twenty thousand, four hundred ten".

Divisors: 1 2 5 10 53 106 265 530 217397 434794 1086985 2173970 11522041 23044082 57610205 115220410