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115147942 = 27213196771
BaseRepresentation
bin1101101110100…
…00010010100110
322000200010021121
412313100102212
5213434213232
615232004154
72565512200
oct667202246
9260603247
10115147942
1159aa8398
123269065a
131ab185a0
1411415770
15a197d97
hex6dd04a6

115147942 has 96 divisors (see below), whose sum is σ = 234420480. Its totient is φ = 41912640.

The previous prime is 115147939. The next prime is 115147957. The reversal of 115147942 is 249741511.

It is a junction number, because it is equal to n+sod(n) for n = 115147898 and 115147907.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 1621767 + ... + 1621837.

It is an arithmetic number, because the mean of its divisors is an integer number (2441880).

Almost surely, 2115147942 is an apocalyptic number.

115147942 is an abundant number, since it is smaller than the sum of its proper divisors (119272538).

115147942 is a wasteful number, since it uses less digits than its factorization.

115147942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186 (or 179 counting only the distinct ones).

The product of its digits is 10080, while the sum is 34.

The square root of 115147942 is about 10730.7009090739. The cubic root of 115147942 is about 486.5028552530.

The spelling of 115147942 in words is "one hundred fifteen million, one hundred forty-seven thousand, nine hundred forty-two".

Divisors: 1 2 7 13 14 19 26 38 49 67 71 91 98 133 134 142 182 247 266 469 494 497 637 871 923 931 938 994 1273 1274 1349 1729 1742 1846 1862 2546 2698 3283 3458 3479 4757 6097 6461 6566 6958 8911 9443 9514 12103 12194 12922 16549 17537 17822 18886 24206 33098 33299 35074 42679 45227 61841 62377 66101 66598 85358 90383 90454 115843 122759 123682 124754 132202 180766 231686 233093 245518 432887 466186 632681 810901 859313 865774 1174979 1265362 1621802 1718626 2349958 3030209 4428767 6060418 8224853 8857534 16449706 57573971 115147942