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1223254052 = 22305813513
BaseRepresentation
bin100100011101001…
…0110000000100100
310011020202202002122
41020322112000210
510001123112202
6321214325112
742212326226
oct11072260044
93136682078
101223254052
11578549969
122a17b9798
13166576a87
14b8664416
15725d09a2
hex48e96024

1223254052 has 6 divisors (see below), whose sum is σ = 2140694598. Its totient is φ = 611627024.

The previous prime is 1223254049. The next prime is 1223254069. The reversal of 1223254052 is 2504523221.

It can be written as a sum of positive squares in only one way, i.e., 638775076 + 584478976 = 25274^2 + 24176^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152906753 + ... + 152906760.

It is an arithmetic number, because the mean of its divisors is an integer number (356782433).

Almost surely, 21223254052 is an apocalyptic number.

It is an amenable number.

1223254052 is a deficient number, since it is larger than the sum of its proper divisors (917440546).

1223254052 is a wasteful number, since it uses less digits than its factorization.

1223254052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305813517 (or 305813515 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 1223254052 is about 34975.0489921029. The cubic root of 1223254052 is about 1069.4789007727.

Adding to 1223254052 its reverse (2504523221), we get a palindrome (3727777273).

The spelling of 1223254052 in words is "one billion, two hundred twenty-three million, two hundred fifty-four thousand, fifty-two".

Divisors: 1 2 4 305813513 611627026 1223254052