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2520288342 = 23211132342571
BaseRepresentation
bin1001011000111000…
…1000110001010110
320111122100220122200
42112032020301112
520130143211332
61054030305330
7116312045265
oct22616106126
96448326580
102520288342
111083700a30
125a4058246
133121b3ba0
1419ca125dc
15eb3d717c
hex96388c56

2520288342 has 96 divisors (see below), whose sum is σ = 6694361856. Its totient is φ = 674308800.

The previous prime is 2520288311. The next prime is 2520288343. The reversal of 2520288342 is 2438820252.

It is a super-2 number, since 2×25202883422 = 12703706653642217928, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2520288297 and 2520288306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2520288343) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 37917 + ... + 80487.

It is an arithmetic number, because the mean of its divisors is an integer number (69732936).

Almost surely, 22520288342 is an apocalyptic number.

2520288342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2520288342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3347180928).

2520288342 is an abundant number, since it is smaller than the sum of its proper divisors (4174073514).

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

2520288342 is a wasteful number, since it uses less digits than its factorization.

2520288342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42626 (or 42623 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 36.

The square root of 2520288342 is about 50202.4734649599. The cubic root of 2520288342 is about 1360.8703234739.

The spelling of 2520288342 in words is "two billion, five hundred twenty million, two hundred eighty-eight thousand, three hundred forty-two".

Divisors: 1 2 3 6 9 11 13 18 22 23 26 33 39 46 66 69 78 99 117 138 143 198 207 234 253 286 299 414 429 506 598 759 858 897 1287 1518 1794 2277 2574 2691 3289 4554 5382 6578 9867 19734 29601 42571 59202 85142 127713 255426 383139 468281 553423 766278 936562 979133 1106846 1404843 1660269 1958266 2809686 2937399 3320538 4214529 4980807 5874798 6087653 8429058 8812197 9961614 10770463 12175306 12728729 17624394 18262959 21540926 25457458 32311389 36525918 38186187 54788877 64622778 76372374 96934167 109577754 114558561 140016019 193868334 229117122 280032038 420048057 840096114 1260144171 2520288342