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2002452445 = 57449127423
BaseRepresentation
bin111011101011010…
…1111111111011101
312011112222010100101
41313112233333131
513100111434240
6530411301101
7100423364530
oct16726577735
95145863311
102002452445
11938372184
1247a74a791
1325bb25706
1414dd36a17
15babe939a
hex775affdd

2002452445 has 16 divisors (see below), whose sum is σ = 2752358400. Its totient is φ = 1370041344.

The previous prime is 2002452443. The next prime is 2002452449. The reversal of 2002452445 is 5442542002.

It is not a de Polignac number, because 2002452445 - 21 = 2002452443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002452443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47997 + ... + 79426.

It is an arithmetic number, because the mean of its divisors is an integer number (172022400).

Almost surely, 22002452445 is an apocalyptic number.

It is an amenable number.

2002452445 is a deficient number, since it is larger than the sum of its proper divisors (749905955).

2002452445 is a wasteful number, since it uses less digits than its factorization.

2002452445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127884.

The product of its (nonzero) digits is 12800, while the sum is 28.

The square root of 2002452445 is about 44748.7703183004. The cubic root of 2002452445 is about 1260.4358207242.

Adding to 2002452445 its reverse (5442542002), we get a palindrome (7444994447).

The spelling of 2002452445 in words is "two billion, two million, four hundred fifty-two thousand, four hundred forty-five".

Divisors: 1 5 7 35 449 2245 3143 15715 127423 637115 891961 4459805 57212927 286064635 400490489 2002452445