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452155231 = 1141105021
BaseRepresentation
bin11010111100110…
…101011101011111
31011111210212101001
4122330311131133
51411222431411
6112511131131
714130153553
oct3274653537
91144725331
10452155231
11212258a10
12107513aa7
13728a2998
144409d863
1529a66dc1
hex1af3575f

452155231 has 4 divisors (see below), whose sum is σ = 493260264. Its totient is φ = 411050200.

The previous prime is 452155219. The next prime is 452155237. The reversal of 452155231 is 132551254.

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

It is not a de Polignac number, because 452155231 - 211 = 452153183 is a prime.

It is a super-2 number, since 2×4521552312 = 408888705841326722, 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 452155231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452155237) 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, 20552500 + ... + 20552521.

It is an arithmetic number, because the mean of its divisors is an integer number (123315066).

Almost surely, 2452155231 is an apocalyptic number.

452155231 is a deficient number, since it is larger than the sum of its proper divisors (41105033).

452155231 is a wasteful number, since it uses less digits than its factorization.

452155231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41105032.

The product of its digits is 6000, while the sum is 28.

The square root of 452155231 is about 21263.9420381076. The cubic root of 452155231 is about 767.5308725075.

The spelling of 452155231 in words is "four hundred fifty-two million, one hundred fifty-five thousand, two hundred thirty-one".

Divisors: 1 11 41105021 452155231