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252235037 = 1873134669
BaseRepresentation
bin11110000100011…
…00110100011101
3122120121212102102
433002030310131
51004033010122
641010134445
76151651055
oct1702146435
9576555372
10252235037
1111a41aa0a
1270581425
1340345b02
14256dc565
1517226492
hexf08cd1d

252235037 has 4 divisors (see below), whose sum is σ = 252371580. Its totient is φ = 252098496.

The previous prime is 252235007. The next prime is 252235073. The reversal of 252235037 is 730532252.

It is a happy number.

252235037 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 120582361 + 131652676 = 10981^2 + 11474^2 .

It is a cyclic number.

It is not a de Polignac number, because 252235037 - 28 = 252234781 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 (252235007) 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, 65462 + ... + 69207.

It is an arithmetic number, because the mean of its divisors is an integer number (63092895).

Almost surely, 2252235037 is an apocalyptic number.

It is an amenable number.

252235037 is a deficient number, since it is larger than the sum of its proper divisors (136543).

252235037 is a wasteful number, since it uses less digits than its factorization.

252235037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136542.

The product of its (nonzero) digits is 12600, while the sum is 29.

The square root of 252235037 is about 15881.9091106831. The cubic root of 252235037 is about 631.8322715250.

Adding to 252235037 its reverse (730532252), we get a palindrome (982767289).

The spelling of 252235037 in words is "two hundred fifty-two million, two hundred thirty-five thousand, thirty-seven".

Divisors: 1 1873 134669 252235037