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137001942 = 2357211523
BaseRepresentation
bin10000010101001…
…11101111010110
3100112210102100000
420022213233112
5240033030232
621332232130
73252332400
oct1012475726
9315712300
10137001942
1170374650
1239a6b646
13224ca84c
14142a3b70
15c06327c
hex82a7bd6

137001942 has 144 divisors (see below), whose sum is σ = 391390272. Its totient is φ = 35516880.

The previous prime is 137001941. The next prime is 137001959. The reversal of 137001942 is 249100731.

It is a super-2 number, since 2×1370019422 = 37539064223542728, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137001941) 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, 261693 + ... + 262215.

It is an arithmetic number, because the mean of its divisors is an integer number (2717988).

Almost surely, 2137001942 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 137001942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195695136).

137001942 is an abundant number, since it is smaller than the sum of its proper divisors (254388330).

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

137001942 is a wasteful number, since it uses less digits than its factorization.

137001942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565 (or 546 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 137001942 is about 11704.7828685542. The cubic root of 137001942 is about 515.5161093695.

The spelling of 137001942 in words is "one hundred thirty-seven million, one thousand, nine hundred forty-two".

Divisors: 1 2 3 6 7 9 11 14 18 21 22 27 33 42 49 54 63 66 77 81 98 99 126 147 154 162 189 198 231 243 294 297 378 441 462 486 523 539 567 594 693 882 891 1046 1078 1134 1323 1386 1569 1617 1701 1782 2079 2646 2673 3138 3234 3402 3661 3969 4158 4707 4851 5346 5753 6237 7322 7938 9414 9702 10983 11506 11907 12474 14121 14553 17259 18711 21966 23814 25627 28242 29106 32949 34518 37422 40271 42363 43659 51254 51777 65898 76881 80542 84726 87318 98847 103554 120813 127089 130977 153762 155331 197694 230643 241626 254178 261954 281897 296541 310662 362439 461286 465993 563794 593082 691929 724878 845691 889623 931986 1087317 1383858 1397979 1691382 1779246 2075787 2174634 2537073 2795958 3261951 4151574 5074146 6227361 6523902 7611219 9785853 12454722 15222438 19571706 22833657 45667314 68500971 137001942