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452215045 = 51742112637
BaseRepresentation
bin11010111101000…
…100000100000101
31011111220220102101
4122331010010011
51411231340140
6112512312101
714130523132
oct3275040405
91144826371
10452215045
11212299947
12107542631
13728c3c89
14440b7589
1529a7999a
hex1af44105

452215045 has 16 divisors (see below), whose sum is σ = 575989488. Its totient is φ = 339655680.

The previous prime is 452215033. The next prime is 452215061. The reversal of 452215045 is 540512254.

It can be written as a sum of positive squares in 8 ways, for example, as 110187009 + 342028036 = 10497^2 + 18494^2 .

It is not a de Polignac number, because 452215045 - 221 = 450117893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29467 + ... + 42103.

It is an arithmetic number, because the mean of its divisors is an integer number (35999343).

Almost surely, 2452215045 is an apocalyptic number.

It is an amenable number.

452215045 is a deficient number, since it is larger than the sum of its proper divisors (123774443).

452215045 is a wasteful number, since it uses less digits than its factorization.

452215045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13080.

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 452215045 is about 21265.3484570557. The cubic root of 452215045 is about 767.5647156541.

Adding to 452215045 its reverse (540512254), we get a palindrome (992727299).

The spelling of 452215045 in words is "four hundred fifty-two million, two hundred fifteen thousand, forty-five".

Divisors: 1 5 17 85 421 2105 7157 12637 35785 63185 214829 1074145 5320177 26600885 90443009 452215045