Search a number
-
+
115485251 = 7374753179
BaseRepresentation
bin1101110001000…
…10101001000011
322001022020222112
412320202221003
5214031012001
615243125535
72601415460
oct670425103
9261266875
10115485251
115a208862
12328138ab
131ac05c8b
14114a2667
15a212cbb
hex6e22a43

115485251 has 32 divisors (see below), whose sum is σ = 141834240. Its totient is φ = 91967616.

The previous prime is 115485247. The next prime is 115485257. The reversal of 115485251 is 152584511.

It is a cyclic number.

It is not a de Polignac number, because 115485251 - 22 = 115485247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115485257) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 645080 + ... + 645258.

It is an arithmetic number, because the mean of its divisors is an integer number (4432320).

Almost surely, 2115485251 is an apocalyptic number.

115485251 is a deficient number, since it is larger than the sum of its proper divisors (26348989).

115485251 is a wasteful number, since it uses less digits than its factorization.

115485251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323.

The product of its digits is 8000, while the sum is 32.

The square root of 115485251 is about 10746.4064226140. The cubic root of 115485251 is about 486.9774383897.

The spelling of 115485251 in words is "one hundred fifteen million, four hundred eighty-five thousand, two hundred fifty-one".

Divisors: 1 7 37 47 53 179 259 329 371 1253 1739 1961 2491 6623 8413 9487 12173 13727 17437 46361 58891 66409 92167 311281 351019 445889 645169 2178967 2457133 3121223 16497893 115485251