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1223014312 = 231311759753
BaseRepresentation
bin100100011100101…
…1011011110101000
310011020022120020101
41020321123132220
510001042424222
6321205235144
742210310252
oct11071333650
93136276211
101223014312
115783a5833
122a1702ab4
131664c1910
14b8600cd2
1572584927
hex48e5b7a8

1223014312 has 16 divisors (see below), whose sum is σ = 2469548340. Its totient is φ = 564468096.

The previous prime is 1223014277. The next prime is 1223014327. The reversal of 1223014312 is 2134103221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1148260996 + 74753316 = 33886^2 + 8646^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1223014312.

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, 5879773 + ... + 5879980.

Almost surely, 21223014312 is an apocalyptic number.

It is an amenable number.

1223014312 is an abundant number, since it is smaller than the sum of its proper divisors (1246534028).

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

1223014312 is a wasteful number, since it uses less digits than its factorization.

1223014312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11759772 (or 11759768 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1223014312 is about 34971.6215237441. The cubic root of 1223014312 is about 1069.4090287721.

Adding to 1223014312 its reverse (2134103221), we get a palindrome (3357117533).

The spelling of 1223014312 in words is "one billion, two hundred twenty-three million, fourteen thousand, three hundred twelve".

Divisors: 1 2 4 8 13 26 52 104 11759753 23519506 47039012 94078024 152876789 305753578 611507156 1223014312