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1152420282 = 232135039791
BaseRepresentation
bin100010010110000…
…1000100110111010
32222022111000102200
41010230020212322
54330004422112
6310204211030
740362260616
oct10454104672
92868430380
101152420282
11541569462
12281b39a76
131549a58c0
14ad0a6346
156b28ccdc
hex44b089ba

1152420282 has 48 divisors (see below), whose sum is σ = 2694601728. Its totient is φ = 353849760.

The previous prime is 1152420263. The next prime is 1152420289. The reversal of 1152420282 is 2820242511.

It is not an unprimeable number, because it can be changed into a prime (1152420289) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 112807 + ... + 122597.

It is an arithmetic number, because the mean of its divisors is an integer number (56137536).

Almost surely, 21152420282 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1152420282, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1347300864).

1152420282 is an abundant number, since it is smaller than the sum of its proper divisors (1542181446).

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

1152420282 is a wasteful number, since it uses less digits than its factorization.

1152420282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10315 (or 10312 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 1152420282 is about 33947.3162709514. The cubic root of 1152420282 is about 1048.4240248728.

Adding to 1152420282 its reverse (2820242511), we get a palindrome (3972662793).

The spelling of 1152420282 in words is "one billion, one hundred fifty-two million, four hundred twenty thousand, two hundred eighty-two".

Divisors: 1 2 3 6 9 13 18 26 39 78 117 234 503 1006 1509 3018 4527 6539 9054 9791 13078 19582 19617 29373 39234 58746 58851 88119 117702 127283 176238 254566 381849 763698 1145547 2291094 4924873 9849746 14774619 29549238 44323857 64023349 88647714 128046698 192070047 384140094 576210141 1152420282