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248525312 = 297174079
BaseRepresentation
bin11101101000000…
…11001000000000
3122022122101122012
432310003020000
51002110302222
640354432052
76105300410
oct1664031000
9568571565
10248525312
11118316822
126b292628
133c6473c9
1425014640
1516c421e2
hexed03200

248525312 has 80 divisors (see below), whose sum is σ = 601032960. Its totient is φ = 100220928.

The previous prime is 248525309. The next prime is 248525317. The reversal of 248525312 is 213525842.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (248525317) 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, 58889 + ... + 62967.

It is an arithmetic number, because the mean of its divisors is an integer number (7512912).

Almost surely, 2248525312 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 248525312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (300516480).

248525312 is an abundant number, since it is smaller than the sum of its proper divisors (352507648).

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

248525312 is an equidigital number, since it uses as much as digits as its factorization.

248525312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4121 (or 4105 counting only the distinct ones).

The product of its digits is 19200, while the sum is 32.

The square root of 248525312 is about 15764.6855978798. The cubic root of 248525312 is about 628.7194211157.

The spelling of 248525312 in words is "two hundred forty-eight million, five hundred twenty-five thousand, three hundred twelve".

Divisors: 1 2 4 7 8 14 16 17 28 32 34 56 64 68 112 119 128 136 224 238 256 272 448 476 512 544 896 952 1088 1792 1904 2176 3584 3808 4079 4352 7616 8158 8704 15232 16316 28553 30464 32632 57106 60928 65264 69343 114212 130528 138686 228424 261056 277372 456848 485401 522112 554744 913696 970802 1044224 1109488 1827392 1941604 2088448 2218976 3654784 3883208 4437952 7309568 7766416 8875904 14619136 15532832 17751808 31065664 35503616 62131328 124262656 248525312