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248088480 = 25351730403
BaseRepresentation
bin11101100100110…
…00011110100000
3122021211012102020
432302120132200
51002002312410
640341221440
76101501013
oct1662303640
9567735366
10248088480
11118048602
126b101880
133c523623
1424d3d37a
1516ba7a70
hexec987a0

248088480 has 96 divisors (see below), whose sum is σ = 827475264. Its totient is φ = 62263296.

The previous prime is 248088439. The next prime is 248088487. The reversal of 248088480 is 84880842.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (248088487) 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 15 ways as a sum of consecutive naturals, for example, 7042 + ... + 23361.

It is an arithmetic number, because the mean of its divisors is an integer number (8619534).

Almost surely, 2248088480 is an apocalyptic number.

248088480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

248088480 is an abundant number, since it is smaller than the sum of its proper divisors (579386784).

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

248088480 is a wasteful number, since it uses less digits than its factorization.

248088480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30438 (or 30430 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 42.

The square root of 248088480 is about 15750.8247403112. The cubic root of 248088480 is about 628.3508391642.

The spelling of 248088480 in words is "two hundred forty-eight million, eighty-eight thousand, four hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 17 20 24 30 32 34 40 48 51 60 68 80 85 96 102 120 136 160 170 204 240 255 272 340 408 480 510 544 680 816 1020 1360 1632 2040 2720 4080 8160 30403 60806 91209 121612 152015 182418 243224 304030 364836 456045 486448 516851 608060 729672 912090 972896 1033702 1216120 1459344 1550553 1824180 2067404 2432240 2584255 2918688 3101106 3648360 4134808 4864480 5168510 6202212 7296720 7752765 8269616 10337020 12404424 14593440 15505530 16539232 20674040 24808848 31011060 41348080 49617696 62022120 82696160 124044240 248088480