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1224504052 = 221492054537
BaseRepresentation
bin100100011111100…
…0111001011110100
310011100010020202221
41020333013023310
510001433112202
6321301212124
742226053442
oct11077071364
93140106687
101224504052
11579223022
122a2101044
131668c3a15
14b88abb92
157277b037
hex48fc72f4

1224504052 has 12 divisors (see below), whose sum is σ = 2157264900. Its totient is φ = 608142656.

The previous prime is 1224504049. The next prime is 1224504053. The reversal of 1224504052 is 2504054221.

It can be written as a sum of positive squares in 2 ways, for example, as 324144016 + 900360036 = 18004^2 + 30006^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224504053) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1026673 + ... + 1027864.

It is an arithmetic number, because the mean of its divisors is an integer number (179772075).

Almost surely, 21224504052 is an apocalyptic number.

It is an amenable number.

1224504052 is a deficient number, since it is larger than the sum of its proper divisors (932760848).

1224504052 is a wasteful number, since it uses less digits than its factorization.

1224504052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2054690 (or 2054688 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 1224504052 is about 34992.9143113288. The cubic root of 1224504052 is about 1069.8430642983.

Adding to 1224504052 its reverse (2504054221), we get a palindrome (3728558273).

The spelling of 1224504052 in words is "one billion, two hundred twenty-four million, five hundred four thousand, fifty-two".

Divisors: 1 2 4 149 298 596 2054537 4109074 8218148 306126013 612252026 1224504052