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242132310 = 23257292457
BaseRepresentation
bin11100110111010…
…10010101010110
3121212121121002100
432123222111112
5443441213220
640005422530
76000043050
oct1633522526
9555547070
10242132310
1111474a652
126910aa46
133b219574
142422c8d0
15163ccd90
hexe6ea556

242132310 has 144 divisors (see below), whose sum is σ = 746774496. Its totient is φ = 53319168.

The previous prime is 242132299. The next prime is 242132311. The reversal of 242132310 is 13231242.

It is a super-2 number, since 2×2421323102 = 117256111091872200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242132311) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 529602 + ... + 530058.

It is an arithmetic number, because the mean of its divisors is an integer number (5185934).

Almost surely, 2242132310 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 242132310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (373387248).

242132310 is an abundant number, since it is smaller than the sum of its proper divisors (504642186).

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

242132310 is a wasteful number, since it uses less digits than its factorization.

242132310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535 (or 503 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 242132310 is about 15560.6012094649. The cubic root of 242132310 is about 623.2815171038.

Adding to 242132310 its reverse (13231242), we get a palindrome (255363552).

The spelling of 242132310 in words is "two hundred forty-two million, one hundred thirty-two thousand, three hundred ten".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 21 29 30 35 42 45 58 63 70 87 90 105 126 145 174 203 210 261 290 315 406 435 457 522 609 630 841 870 914 1015 1218 1305 1371 1682 1827 2030 2285 2523 2610 2742 3045 3199 3654 4113 4205 4570 5046 5887 6090 6398 6855 7569 8226 8410 9135 9597 11774 12615 13253 13710 15138 15995 17661 18270 19194 20565 25230 26506 28791 29435 31990 35322 37845 39759 41130 47985 52983 57582 58870 66265 75690 79518 88305 92771 95970 105966 119277 132530 143955 176610 185542 198795 238554 264915 278313 287910 384337 397590 463855 529830 556626 596385 768674 834939 927710 1153011 1192770 1391565 1669878 1921685 2306022 2690359 2783130 3459033 3843370 4174695 5380718 5765055 6918066 8071077 8349390 11530110 13451795 16142154 17295165 24213231 26903590 34590330 40355385 48426462 80710770 121066155 242132310