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2045512052 = 22653783121
BaseRepresentation
bin111100111101100…
…0000100101110100
312021112222210000122
41321323000211310
513142122341202
6534550231112
7101455364663
oct17173004564
95245883018
102045512052
1195a702531
12491055498
13267a20a7c
14155944dda
15be8a29a2
hex79ec0974

2045512052 has 12 divisors (see below), whose sum is σ = 3585132516. Its totient is φ = 1021188480.

The previous prime is 2045512031. The next prime is 2045512057. The reversal of 2045512052 is 2502155402.

It can be written as a sum of positive squares in 2 ways, for example, as 196168036 + 1849344016 = 14006^2 + 43004^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045512057) 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, 388949 + ... + 394172.

It is an arithmetic number, because the mean of its divisors is an integer number (298761043).

Almost surely, 22045512052 is an apocalyptic number.

It is an amenable number.

2045512052 is a deficient number, since it is larger than the sum of its proper divisors (1539620464).

2045512052 is a wasteful number, since it uses less digits than its factorization.

2045512052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783778 (or 783776 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 2045512052 is about 45227.3374409770. The cubic root of 2045512052 is about 1269.4063921463.

Adding to 2045512052 its reverse (2502155402), we get a palindrome (4547667454).

The spelling of 2045512052 in words is "two billion, forty-five million, five hundred twelve thousand, fifty-two".

Divisors: 1 2 4 653 1306 2612 783121 1566242 3132484 511378013 1022756026 2045512052