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242125872 = 24329312181
BaseRepresentation
bin11100110111010…
…00110000110000
3121212121021020220
432123220300300
5443441011442
640005333040
76000015222
oct1633506060
9555537226
10242125872
1111474582a
1269107180
133b216661
142422a412
15163caeec
hexe6e8c30

242125872 has 120 divisors (see below), whose sum is σ = 672300720. Its totient is φ = 74995200.

The previous prime is 242125867. The next prime is 242125879. The reversal of 242125872 is 278521242.

It is not an unprimeable number, because it can be changed into a prime (242125879) 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 23 ways as a sum of consecutive naturals, for example, 1337622 + ... + 1337802.

It is an arithmetic number, because the mean of its divisors is an integer number (5602506).

Almost surely, 2242125872 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 242125872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (336150360).

242125872 is an abundant number, since it is smaller than the sum of its proper divisors (430174848).

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

242125872 is a wasteful number, since it uses less digits than its factorization.

242125872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283 (or 246 counting only the distinct ones).

The product of its digits is 17920, while the sum is 33.

The square root of 242125872 is about 15560.3943394761. The cubic root of 242125872 is about 623.2759929588.

The spelling of 242125872 in words is "two hundred forty-two million, one hundred twenty-five thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 29 31 48 58 62 87 93 116 124 174 181 186 232 248 348 362 372 464 496 543 696 724 744 899 961 1086 1392 1448 1488 1798 1922 2172 2697 2883 2896 3596 3844 4344 5249 5394 5611 5766 7192 7688 8688 10498 10788 11222 11532 14384 15376 15747 16833 20996 21576 22444 23064 27869 31494 33666 41992 43152 44888 46128 55738 62988 67332 83607 83984 89776 111476 125976 134664 162719 167214 173941 222952 251952 269328 325438 334428 347882 445904 488157 521823 650876 668856 695764 976314 1043646 1301752 1337712 1391528 1952628 2087292 2603504 2783056 3905256 4174584 5044289 7810512 8349168 10088578 15132867 20177156 30265734 40354312 60531468 80708624 121062936 242125872