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1145233340 = 22588364849
BaseRepresentation
bin100010001000010…
…1101111110111100
32221210221212210122
41010100231332330
54321134431330
6305350154112
740244215466
oct10420557674
92853855718
101145233340
115384aa839
1227b652938
1315335a584
14ac155136
156a81d5e5
hex4442dfbc

1145233340 has 24 divisors (see below), whose sum is σ = 2407750800. Its totient is φ = 457567488.

The previous prime is 1145233333. The next prime is 1145233343. The reversal of 1145233340 is 433325411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145233343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14765 + ... + 50084.

It is an arithmetic number, because the mean of its divisors is an integer number (100322950).

Almost surely, 21145233340 is an apocalyptic number.

1145233340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1145233340 is an abundant number, since it is smaller than the sum of its proper divisors (1262517460).

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

1145233340 is a wasteful number, since it uses less digits than its factorization.

1145233340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65741 (or 65739 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 1145233340 is about 33841.2963699679. The cubic root of 1145233340 is about 1046.2400181851.

Adding to 1145233340 its reverse (433325411), we get a palindrome (1578558751).

The spelling of 1145233340 in words is "one billion, one hundred forty-five million, two hundred thirty-three thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 883 1766 3532 4415 8830 17660 64849 129698 259396 324245 648490 1296980 57261667 114523334 229046668 286308335 572616670 1145233340