Search a number
-
+
252107135 = 577203061
BaseRepresentation
bin11110000011011…
…01100101111111
3122120101100222022
433001231211333
51004014412020
641003310355
76150606140
oct1701554577
9576340868
10252107135
1111a342905
127051b3bb
13402cc827
14256a7ac7
15171ed625
hexf06d97f

252107135 has 8 divisors (see below), whose sum is σ = 345746976. Its totient is φ = 172873440.

The previous prime is 252107129. The next prime is 252107137. The reversal of 252107135 is 531701252.

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

It is not a de Polignac number, because 252107135 - 220 = 251058559 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 (252107137) 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, 3601496 + ... + 3601565.

It is an arithmetic number, because the mean of its divisors is an integer number (43218372).

Almost surely, 2252107135 is an apocalyptic number.

252107135 is a deficient number, since it is larger than the sum of its proper divisors (93639841).

252107135 is an equidigital number, since it uses as much as digits as its factorization.

252107135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7203073.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 252107135 is about 15877.8819431308. The cubic root of 252107135 is about 631.7254580871.

Adding to 252107135 its reverse (531701252), we get a palindrome (783808387).

The spelling of 252107135 in words is "two hundred fifty-two million, one hundred seven thousand, one hundred thirty-five".

Divisors: 1 5 7 35 7203061 36015305 50421427 252107135