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248522664 = 233136171291
BaseRepresentation
bin11101101000000…
…10011110101000
3122022122021000010
432310002132220
51002110211124
640354411520
76105256605
oct1664023650
9568567003
10248522664
11118314835
126b290ba0
133c646140
14250136ac
1516c41529
hexed027a8

248522664 has 64 divisors (see below), whose sum is σ = 670703040. Its totient is φ = 76285440.

The previous prime is 248522657. The next prime is 248522669. The reversal of 248522664 is 466225842.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (248522669) 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, 191859 + ... + 193149.

It is an arithmetic number, because the mean of its divisors is an integer number (10479735).

Almost surely, 2248522664 is an apocalyptic number.

248522664 is a gapful number since it is divisible by the number (24) 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 248522664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (335351520).

248522664 is an abundant number, since it is smaller than the sum of its proper divisors (422180376).

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

248522664 is a wasteful number, since it uses less digits than its factorization.

248522664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1930 (or 1926 counting only the distinct ones).

The product of its digits is 184320, while the sum is 39.

The square root of 248522664 is about 15764.6016124734. The cubic root of 248522664 is about 628.7171881374.

The spelling of 248522664 in words is "two hundred forty-eight million, five hundred twenty-two thousand, six hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 13 24 26 39 52 78 104 156 312 617 1234 1291 1851 2468 2582 3702 3873 4936 5164 7404 7746 8021 10328 14808 15492 16042 16783 24063 30984 32084 33566 48126 50349 64168 67132 96252 100698 134264 192504 201396 402792 796547 1593094 2389641 3186188 4779282 6372376 9558564 10355111 19117128 20710222 31065333 41420444 62130666 82840888 124261332 248522664