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1223452338 = 231071905689
BaseRepresentation
bin100100011101100…
…0110011010110010
310011021010211002120
41020323012122302
510001200433323
6321222455110
742214113303
oct11073063262
93137124076
101223452338
11578674939
122a1894496
131666160c4
14b86b67aa
157261e5e3
hex48ec66b2

1223452338 has 16 divisors (see below), whose sum is σ = 2469774240. Its totient is φ = 404005856.

The previous prime is 1223452337. The next prime is 1223452357. The reversal of 1223452338 is 8332543221.

It is a junction number, because it is equal to n+sod(n) for n = 1223452299 and 1223452308.

It is not an unprimeable number, because it can be changed into a prime (1223452337) 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, 952203 + ... + 953486.

It is an arithmetic number, because the mean of its divisors is an integer number (154360890).

Almost surely, 21223452338 is an apocalyptic number.

1223452338 is an abundant number, since it is smaller than the sum of its proper divisors (1246321902).

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

1223452338 is a wasteful number, since it uses less digits than its factorization.

1223452338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1905801.

The product of its digits is 34560, while the sum is 33.

The square root of 1223452338 is about 34977.8835551838. The cubic root of 1223452338 is about 1069.5366841459.

Adding to 1223452338 its reverse (8332543221), we get a palindrome (9555995559).

The spelling of 1223452338 in words is "one billion, two hundred twenty-three million, four hundred fifty-two thousand, three hundred thirty-eight".

Divisors: 1 2 3 6 107 214 321 642 1905689 3811378 5717067 11434134 203908723 407817446 611726169 1223452338