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1442500122 = 237231163971
BaseRepresentation
bin101010111111010…
…1100111000011010
310201112022121011110
41111332230320122
510423240000442
6355045441150
750514022500
oct12576547032
93645277143
101442500122
11680287768
123431101b6
1319cb0c28b
14d9816670
158698c69c
hex55face1a

1442500122 has 96 divisors (see below), whose sum is σ = 3489122304. Its totient is φ = 395992800.

The previous prime is 1442500069. The next prime is 1442500139. The reversal of 1442500122 is 2210052441.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1485097 + ... + 1486067.

It is an arithmetic number, because the mean of its divisors is an integer number (36345024).

Almost surely, 21442500122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1442500122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1744561152).

1442500122 is an abundant number, since it is smaller than the sum of its proper divisors (2046622182).

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

1442500122 is a wasteful number, since it uses less digits than its factorization.

1442500122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1184 (or 1177 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 1442500122 is about 37980.2596357634. The cubic root of 1442500122 is about 1129.8963859364.

Adding to 1442500122 its reverse (2210052441), we get a palindrome (3652552563).

The spelling of 1442500122 in words is "one billion, four hundred forty-two million, five hundred thousand, one hundred twenty-two".

Divisors: 1 2 3 6 7 14 21 31 42 49 62 93 98 147 163 186 217 294 326 434 489 651 971 978 1141 1302 1519 1942 2282 2913 3038 3423 4557 5053 5826 6797 6846 7987 9114 10106 13594 15159 15974 20391 23961 30101 30318 35371 40782 47579 47922 60202 70742 90303 95158 106113 142737 158273 180606 210707 212226 247597 285474 316546 421414 474819 495194 632121 742791 949638 1107911 1264242 1474949 1485582 2215822 2949898 3323733 4424847 4906463 6647466 7755377 8849694 9812926 14719389 15510754 23266131 29438778 34345241 46532262 68690482 103035723 206071446 240416687 480833374 721250061 1442500122