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2422031240 = 235316729153
BaseRepresentation
bin1001000001011101…
…0100001110001000
320020210110221020202
42100113110032020
514430014444430
61040200311332
7114006632366
oct22027241610
96223427222
102422031240
11103319aa12
12577172548
132c7a307a5
1418d956636
15e2978d45
hex905d4388

2422031240 has 64 divisors (see below), whose sum is σ = 5709519360. Its totient is φ = 923535360.

The previous prime is 2422031221. The next prime is 2422031257. The reversal of 2422031240 is 421302242.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68504 + ... + 97656.

It is an arithmetic number, because the mean of its divisors is an integer number (89211240).

Almost surely, 22422031240 is an apocalyptic number.

2422031240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2422031240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2854759680).

2422031240 is an abundant number, since it is smaller than the sum of its proper divisors (3287488120).

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

2422031240 is a wasteful number, since it uses less digits than its factorization.

2422031240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29262 (or 29258 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2422031240 is about 49214.1365869605. The cubic root of 2422031240 is about 1342.9502162957.

Adding to 2422031240 its reverse (421302242), we get a palindrome (2843333482).

The spelling of 2422031240 in words is "two billion, four hundred twenty-two million, thirty-one thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 31 40 62 67 124 134 155 248 268 310 335 536 620 670 1240 1340 2077 2680 4154 8308 10385 16616 20770 29153 41540 58306 83080 116612 145765 233224 291530 583060 903743 1166120 1807486 1953251 3614972 3906502 4518715 7229944 7813004 9037430 9766255 15626008 18074860 19532510 36149720 39065020 60550781 78130040 121101562 242203124 302753905 484406248 605507810 1211015620 2422031240