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252441423 = 32137130389
BaseRepresentation
bin11110000101111…
…11001101001111
3122121000100112100
433002333031033
51004111111143
641014410143
76153500553
oct1702771517
9577010470
10252441423
1111a550a83
1270660953
13403b8a30
1425753863
15172676d3
hexf0bf34f

252441423 has 24 divisors (see below), whose sum is σ = 398230560. Its totient is φ = 153155520.

The previous prime is 252441421. The next prime is 252441437. The reversal of 252441423 is 324144252.

It is not a de Polignac number, because 252441423 - 21 = 252441421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252441421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6888 + ... + 23501.

It is an arithmetic number, because the mean of its divisors is an integer number (16592940).

Almost surely, 2252441423 is an apocalyptic number.

252441423 is a deficient number, since it is larger than the sum of its proper divisors (145789137).

252441423 is a wasteful number, since it uses less digits than its factorization.

252441423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30479 (or 30476 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 252441423 is about 15888.4053007217. The cubic root of 252441423 is about 632.0045523560.

Adding to 252441423 its reverse (324144252), we get a palindrome (576585675).

The spelling of 252441423 in words is "two hundred fifty-two million, four hundred forty-one thousand, four hundred twenty-three".

Divisors: 1 3 9 13 39 71 117 213 639 923 2769 8307 30389 91167 273501 395057 1185171 2157619 3555513 6472857 19418571 28049047 84147141 252441423