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1223030004 = 223723895347
BaseRepresentation
bin100100011100101…
…1111010011110100
310011020100100202120
41020321133103310
510001043430004
6321205435540
742210404100
oct11071372364
93136310676
101223030004
115784065a9
122a170bbb0
131664c8ac1
14b8606900
15725893d9
hex48e5f4f4

1223030004 has 72 divisors (see below), whose sum is σ = 3328809120. Its totient is φ = 348473664.

The previous prime is 1223029987. The next prime is 1223030023. The reversal of 1223030004 is 4000303221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 226059 + ... + 231405.

It is an arithmetic number, because the mean of its divisors is an integer number (46233460).

Almost surely, 21223030004 is an apocalyptic number.

1223030004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1223030004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1664404560).

1223030004 is an abundant number, since it is smaller than the sum of its proper divisors (2105779116).

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

1223030004 is a wasteful number, since it uses less digits than its factorization.

1223030004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5757 (or 5748 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 1223030004 is about 34971.8458763617. The cubic root of 1223030004 is about 1069.4136024702.

Adding to 1223030004 its reverse (4000303221), we get a palindrome (5223333225).

The spelling of 1223030004 in words is "one billion, two hundred twenty-three million, thirty thousand, four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 49 84 98 147 196 294 389 588 778 1167 1556 2334 2723 4668 5347 5446 8169 10694 10892 16041 16338 19061 21388 32082 32676 37429 38122 57183 64164 74858 76244 112287 114366 149716 224574 228732 262003 449148 524006 786009 1048012 1572018 2079983 3144036 4159966 6239949 8319932 12479898 14559881 24959796 29119762 43679643 58239524 87359286 101919167 174718572 203838334 305757501 407676668 611515002 1223030004