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1223214000 = 24353203869
BaseRepresentation
bin100100011101000…
…1100001110110000
310011020200201011020
41020322030032300
510001120322000
6321213415440
742212101401
oct11072141660
93136621136
101223214000
11578521868
122a179a580
13166561788
14b86539a8
15725c3ba0
hex48e8c3b0

1223214000 has 80 divisors (see below), whose sum is σ = 3943661280. Its totient is φ = 326188800.

The previous prime is 1223213993. The next prime is 1223214007. The reversal of 1223214000 is 4123221.

It is an interprime number because it is at equal distance from previous prime (1223213993) and next prime (1223214007).

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (1223214007) 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, 95935 + ... + 107934.

It is an arithmetic number, because the mean of its divisors is an integer number (49295766).

Almost surely, 21223214000 is an apocalyptic number.

1223214000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1223214000 is an abundant number, since it is smaller than the sum of its proper divisors (2720447280).

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

1223214000 is a wasteful number, since it uses less digits than its factorization.

1223214000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203895 (or 203879 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1223214000 is about 34974.4764078034. The cubic root of 1223214000 is about 1069.4672282897.

Adding to 1223214000 its reverse (4123221), we get a palindrome (1227337221).

The spelling of 1223214000 in words is "one billion, two hundred twenty-three million, two hundred fourteen thousand".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 40 48 50 60 75 80 100 120 125 150 200 240 250 300 375 400 500 600 750 1000 1200 1500 2000 3000 6000 203869 407738 611607 815476 1019345 1223214 1630952 2038690 2446428 3058035 3261904 4077380 4892856 5096725 6116070 8154760 9785712 10193450 12232140 15290175 16309520 20386900 24464280 25483625 30580350 40773800 48928560 50967250 61160700 76450875 81547600 101934500 122321400 152901750 203869000 244642800 305803500 407738000 611607000 1223214000