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242197824 = 26311412797
BaseRepresentation
bin11100110111110…
…10010101000000
3121212201220221210
432123322111000
5444000312244
640011050120
76000435051
oct1633722500
9555656853
10242197824
111147948a0
1269140940
133b24032b
1424248728
15163e24b9
hexe6fa540

242197824 has 112 divisors (see below), whose sum is σ = 716377536. Its totient is φ = 71577600.

The previous prime is 242197811. The next prime is 242197841. The reversal of 242197824 is 428791242.

It is a happy number.

242197824 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85194 + ... + 87990.

It is an arithmetic number, because the mean of its divisors is an integer number (6396228).

Almost surely, 2242197824 is an apocalyptic number.

242197824 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 242197824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (358188768).

242197824 is an abundant number, since it is smaller than the sum of its proper divisors (474179712).

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

242197824 is a wasteful number, since it uses less digits than its factorization.

242197824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2864 (or 2854 counting only the distinct ones).

The product of its digits is 64512, while the sum is 39.

The square root of 242197824 is about 15562.7061914051. The cubic root of 242197824 is about 623.3377260185.

The spelling of 242197824 in words is "two hundred forty-two million, one hundred ninety-seven thousand, eight hundred twenty-four".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 32 33 41 44 48 64 66 82 88 96 123 132 164 176 192 246 264 328 352 451 492 528 656 704 902 984 1056 1312 1353 1804 1968 2112 2624 2706 2797 3608 3936 5412 5594 7216 7872 8391 10824 11188 14432 16782 21648 22376 28864 30767 33564 43296 44752 61534 67128 86592 89504 92301 114677 123068 134256 179008 184602 229354 246136 268512 344031 369204 458708 492272 537024 688062 738408 917416 984544 1261447 1376124 1476816 1834832 1969088 2522894 2752248 2953632 3669664 3784341 5045788 5504496 5907264 7339328 7568682 10091576 11008992 15137364 20183152 22017984 30274728 40366304 60549456 80732608 121098912 242197824