Search a number
-
+
245228088 = 23371459691
BaseRepresentation
bin11101001110111…
…10001000111000
3122002102212200210
432213132020320
51000234244323
640200031120
76035255460
oct1647361070
9562385623
10245228088
11116474546
126a1624a0
133ba616a1
14247d6ba0
15167e0293
hexe9de238

245228088 has 32 divisors (see below), whose sum is σ = 700652160. Its totient is φ = 70065120.

The previous prime is 245228083. The next prime is 245228099. The reversal of 245228088 is 880822542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245228083) 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, 729678 + ... + 730013.

It is an arithmetic number, because the mean of its divisors is an integer number (21895380).

Almost surely, 2245228088 is an apocalyptic number.

245228088 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

245228088 is an abundant number, since it is smaller than the sum of its proper divisors (455424072).

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

245228088 is a wasteful number, since it uses less digits than its factorization.

245228088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1459707 (or 1459703 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 39.

The square root of 245228088 is about 15659.7601514199. The cubic root of 245228088 is about 625.9265940254.

The spelling of 245228088 in words is "two hundred forty-five million, two hundred twenty-eight thousand, eighty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 1459691 2919382 4379073 5838764 8758146 10217837 11677528 17516292 20435674 30653511 35032584 40871348 61307022 81742696 122614044 245228088