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1226449830 = 23557417121
BaseRepresentation
bin100100100011010…
…0010001110100110
310011110210002212210
41021012202032212
510002432343310
6321411024250
742251436324
oct11106421646
93143702783
101226449830
1157a331a01
122a289b086
13167125578
14b8c56d14
1572a12820
hex491a23a6

1226449830 has 32 divisors (see below), whose sum is σ = 2944405728. Its totient is φ = 326950400.

The previous prime is 1226449823. The next prime is 1226449831. The reversal of 1226449830 is 389446221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1226449831) 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 15 ways as a sum of consecutive naturals, for example, 168670 + ... + 175790.

It is an arithmetic number, because the mean of its divisors is an integer number (92012679).

Almost surely, 21226449830 is an apocalyptic number.

1226449830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1226449830 is an abundant number, since it is smaller than the sum of its proper divisors (1717955898).

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

1226449830 is a wasteful number, since it uses less digits than its factorization.

1226449830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12872.

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 1226449830 is about 35020.7057324663. The cubic root of 1226449830 is about 1070.4094365774.

The spelling of 1226449830 in words is "one billion, two hundred twenty-six million, four hundred forty-nine thousand, eight hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 5741 7121 11482 14242 17223 21363 28705 34446 35605 42726 57410 71210 86115 106815 172230 213630 40881661 81763322 122644983 204408305 245289966 408816610 613224915 1226449830