Search a number
-
+
1223143104 = 2636370537
BaseRepresentation
bin100100011100111…
…1010111011000000
310011020120002220110
41020321322323000
510001111034404
6321212111320
742211354611
oct11071727300
93136502813
101223143104
11578483577
122a1765540
13166538421
14b8635c08
15725acb89
hex48e7aec0

1223143104 has 28 divisors (see below), whose sum is σ = 3236233304. Its totient is φ = 407714304.

The previous prime is 1223143049. The next prime is 1223143111. The reversal of 1223143104 is 4013413221.

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, 3185077 + ... + 3185460.

Almost surely, 21223143104 is an apocalyptic number.

It is an amenable number.

1223143104 is an abundant number, since it is smaller than the sum of its proper divisors (2013090200).

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

1223143104 is an equidigital number, since it uses as much as digits as its factorization.

1223143104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6370552 (or 6370542 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1223143104 is about 34973.4628539983. The cubic root of 1223143104 is about 1069.4465662160.

Adding to 1223143104 its reverse (4013413221), we get a palindrome (5236556325).

The spelling of 1223143104 in words is "one billion, two hundred twenty-three million, one hundred forty-three thousand, one hundred four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 192 6370537 12741074 19111611 25482148 38223222 50964296 76446444 101928592 152892888 203857184 305785776 407714368 611571552 1223143104