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1230400324 = 22417502441
BaseRepresentation
bin100100101010110…
…0110101101000100
310011202012210221101
41021111212231010
510004440302244
6322031425444
742330141646
oct11125465504
93152183841
101230400324
1158158aa7a
122a4085284
13167ba973a
14b95a4896
15730430d4
hex49566b44

1230400324 has 12 divisors (see below), whose sum is σ = 2205717948. Its totient is φ = 600195200.

The previous prime is 1230400319. The next prime is 1230400349. The reversal of 1230400324 is 4230040321.

It can be written as a sum of positive squares in 2 ways, for example, as 31024900 + 1199375424 = 5570^2 + 34632^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3751057 + ... + 3751384.

It is an arithmetic number, because the mean of its divisors is an integer number (183809829).

Almost surely, 21230400324 is an apocalyptic number.

It is an amenable number.

1230400324 is a deficient number, since it is larger than the sum of its proper divisors (975317624).

1230400324 is a wasteful number, since it uses less digits than its factorization.

1230400324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7502486 (or 7502484 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 1230400324 is about 35077.0626478330. The cubic root of 1230400324 is about 1071.5574965552.

Adding to 1230400324 its reverse (4230040321), we get a palindrome (5460440645).

The spelling of 1230400324 in words is "one billion, two hundred thirty million, four hundred thousand, three hundred twenty-four".

Divisors: 1 2 4 41 82 164 7502441 15004882 30009764 307600081 615200162 1230400324