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248926440 = 23357674423
BaseRepresentation
bin11101101011001…
…01000011101000
3122100101202212210
432311211003220
51002211121230
640411205120
76111561030
oct1665450350
9570352783
10248926440
11118570134
126b4467a0
133c757b69
14250ba8c0
1516cc0eb0
hexed650e8

248926440 has 128 divisors (see below), whose sum is σ = 866396160. Its totient is φ = 56035584.

The previous prime is 248926409. The next prime is 248926463. The reversal of 248926440 is 44629842.

248926440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54069 + ... + 58491.

It is an arithmetic number, because the mean of its divisors is an integer number (6768720).

Almost surely, 2248926440 is an apocalyptic number.

248926440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 248926440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (433198080).

248926440 is an abundant number, since it is smaller than the sum of its proper divisors (617469720).

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

248926440 is a wasteful number, since it uses less digits than its factorization.

248926440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4511 (or 4507 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 39.

The square root of 248926440 is about 15777.4028280956. The cubic root of 248926440 is about 629.0574972105.

The spelling of 248926440 in words is "two hundred forty-eight million, nine hundred twenty-six thousand, four hundred forty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 56 60 67 70 84 105 120 134 140 168 201 210 268 280 335 402 420 469 536 670 804 840 938 1005 1340 1407 1608 1876 2010 2345 2680 2814 3752 4020 4423 4690 5628 7035 8040 8846 9380 11256 13269 14070 17692 18760 22115 26538 28140 30961 35384 44230 53076 56280 61922 66345 88460 92883 106152 123844 132690 154805 176920 185766 247688 265380 296341 309610 371532 464415 530760 592682 619220 743064 889023 928830 1185364 1238440 1481705 1778046 1857660 2074387 2370728 2963410 3556092 3715320 4148774 4445115 5926820 6223161 7112184 8297548 8890230 10371935 11853640 12446322 16595096 17780460 20743870 24892644 31115805 35560920 41487740 49785288 62231610 82975480 124463220 248926440