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252393587 = 1989149257
BaseRepresentation
bin11110000101100…
…11100001110011
3122120220220220122
433002303201303
51004103043322
641013400455
76153211235
oct1702634163
9576826818
10252393587
1111a519046
127063912b
13403a0024
1425740255
1517258442
hexf0b3873

252393587 has 8 divisors (see below), whose sum is σ = 268664400. Its totient is φ = 236421504.

The previous prime is 252393571. The next prime is 252393629. The reversal of 252393587 is 785393252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 252393587 - 24 = 252393571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252393517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72938 + ... + 76319.

It is an arithmetic number, because the mean of its divisors is an integer number (33583050).

Almost surely, 2252393587 is an apocalyptic number.

252393587 is a deficient number, since it is larger than the sum of its proper divisors (16270813).

252393587 is a wasteful number, since it uses less digits than its factorization.

252393587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149365.

The product of its digits is 453600, while the sum is 44.

The square root of 252393587 is about 15886.8998549119. The cubic root of 252393587 is about 631.9646295900.

The spelling of 252393587 in words is "two hundred fifty-two million, three hundred ninety-three thousand, five hundred eighty-seven".

Divisors: 1 19 89 1691 149257 2835883 13283873 252393587