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452135231 = 5921136319
BaseRepresentation
bin11010111100110…
…000100100111111
31011111202211221022
4122330300210333
51411221311411
6112510454355
714130041342
oct3274604477
91144684838
10452135231
11212244989
121075043bb
1372896852
1444096459
1529a60edb
hex1af3093f

452135231 has 8 divisors (see below), whose sum is σ = 461990400. Its totient is φ = 442353240.

The previous prime is 452135207. The next prime is 452135263. The reversal of 452135231 is 132531254.

It is a happy number.

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 452135231 - 214 = 452118847 is a prime.

It is a super-2 number, since 2×4521352312 = 408852534222846722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 452135231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452135531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5711 + ... + 30608.

It is an arithmetic number, because the mean of its divisors is an integer number (57748800).

Almost surely, 2452135231 is an apocalyptic number.

452135231 is a deficient number, since it is larger than the sum of its proper divisors (9855169).

452135231 is a wasteful number, since it uses less digits than its factorization.

452135231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36589.

The product of its digits is 3600, while the sum is 26.

The square root of 452135231 is about 21263.4717532204. The cubic root of 452135231 is about 767.5195557128.

Adding to 452135231 its reverse (132531254), we get a palindrome (584666485).

The spelling of 452135231 in words is "four hundred fifty-two million, one hundred thirty-five thousand, two hundred thirty-one".

Divisors: 1 59 211 12449 36319 2142821 7663309 452135231