[go: up one dir, main page]

Search a number
-
+
245316752 = 2419899067
BaseRepresentation
bin11101001111100…
…11110010010000
3122002121101022122
432213303302100
51000300114002
640201553412
76036105122
oct1647636220
9562541278
10245316752
1111652511a
126a1a5868
133ba92b55
142481b212
151680b6a2
hexe9f3c90

245316752 has 40 divisors (see below), whose sum is σ = 505994400. Its totient is φ = 114884352.

The previous prime is 245316751. The next prime is 245316769. The reversal of 245316752 is 257613542.

It is not an unprimeable number, because it can be changed into a prime (245316751) 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, 22523 + ... + 31589.

It is an arithmetic number, because the mean of its divisors is an integer number (12649860).

Almost surely, 2245316752 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245316752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (252997200).

245316752 is an abundant number, since it is smaller than the sum of its proper divisors (260677648).

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

245316752 is a wasteful number, since it uses less digits than its factorization.

245316752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9183 (or 9177 counting only the distinct ones).

The product of its digits is 50400, while the sum is 35.

The square root of 245316752 is about 15662.5908457062. The cubic root of 245316752 is about 626.0020210409.

The spelling of 245316752 in words is "two hundred forty-five million, three hundred sixteen thousand, seven hundred fifty-two".

Divisors: 1 2 4 8 16 19 38 76 89 152 178 304 356 712 1424 1691 3382 6764 9067 13528 18134 27056 36268 72536 145072 172273 344546 689092 806963 1378184 1613926 2756368 3227852 6455704 12911408 15332297 30664594 61329188 122658376 245316752