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1254055223 = 11231116701
BaseRepresentation
bin100101010111111…
…0101110100110111
310020101201121100202
41022233311310313
510032014231343
6324234431115
743035202451
oct11257656467
93211647322
101254055223
11593977283
122abb9249b
1316ca6c615
14bc7a12d1
1575166db8
hex4abf5d37

1254055223 has 4 divisors (see below), whose sum is σ = 1255173048. Its totient is φ = 1252937400.

The previous prime is 1254055219. The next prime is 1254055237. The reversal of 1254055223 is 3225504521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3225504521 = 23140239327.

It is a cyclic number.

It is not a de Polignac number, because 1254055223 - 22 = 1254055219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1254055723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 557228 + ... + 559473.

It is an arithmetic number, because the mean of its divisors is an integer number (313793262).

Almost surely, 21254055223 is an apocalyptic number.

1254055223 is a deficient number, since it is larger than the sum of its proper divisors (1117825).

1254055223 is a wasteful number, since it uses less digits than its factorization.

1254055223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117824.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 1254055223 is about 35412.6421352601. The cubic root of 1254055223 is about 1078.3809826532.

Adding to 1254055223 its reverse (3225504521), we get a palindrome (4479559744).

The spelling of 1254055223 in words is "one billion, two hundred fifty-four million, fifty-five thousand, two hundred twenty-three".

Divisors: 1 1123 1116701 1254055223