Search a number
-
+
253009248 = 2534361291
BaseRepresentation
bin11110001010010…
…01110101100000
3122122002012102220
433011021311200
51004232243443
641034511040
76161354202
oct1705116540
9578065386
10253009248
1111a8a9658
1270895480
134055731b
1425860772
151732aa83
hexf149d60

253009248 has 48 divisors (see below), whose sum is σ = 679605696. Its totient is φ = 82373760.

The previous prime is 253009241. The next prime is 253009277. The reversal of 253009248 is 842900352.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253009241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26518 + ... + 34773.

It is an arithmetic number, because the mean of its divisors is an integer number (14158452).

Almost surely, 2253009248 is an apocalyptic number.

It is an amenable number.

253009248 is an abundant number, since it is smaller than the sum of its proper divisors (426596448).

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

253009248 is a wasteful number, since it uses less digits than its factorization.

253009248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61347 (or 61339 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 253009248 is about 15906.2644263196. The cubic root of 253009248 is about 632.4780605533.

The spelling of 253009248 in words is "two hundred fifty-three million, nine thousand, two hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 43 48 86 96 129 172 258 344 516 688 1032 1376 2064 4128 61291 122582 183873 245164 367746 490328 735492 980656 1470984 1961312 2635513 2941968 5271026 5883936 7906539 10542052 15813078 21084104 31626156 42168208 63252312 84336416 126504624 253009248