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115222055 = 5131772647
BaseRepresentation
bin1101101111000…
…10011000100111
322000210212221112
412313202120213
5213444101210
615233335235
72566241234
oct667423047
9260725845
10115222055
115a049043
123270751b
131ab43240
141143478b
15a1aed05
hex6de2627

115222055 has 8 divisors (see below), whose sum is σ = 148902432. Its totient is φ = 85087008.

The previous prime is 115222049. The next prime is 115222057. The reversal of 115222055 is 550222511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 115222055 - 26 = 115221991 is a prime.

It is a super-2 number, since 2×1152220552 = 26552243916846050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 115222055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115222057) 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, 886259 + ... + 886388.

It is an arithmetic number, because the mean of its divisors is an integer number (18612804).

Almost surely, 2115222055 is an apocalyptic number.

115222055 is a deficient number, since it is larger than the sum of its proper divisors (33680377).

115222055 is a wasteful number, since it uses less digits than its factorization.

115222055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1772665.

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 115222055 is about 10734.1536694795. The cubic root of 115222055 is about 486.6072092767.

Adding to 115222055 its reverse (550222511), we get a palindrome (665444566).

The spelling of 115222055 in words is "one hundred fifteen million, two hundred twenty-two thousand, fifty-five".

Divisors: 1 5 13 65 1772647 8863235 23044411 115222055