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45434434220 = 2257324531673
BaseRepresentation
bin101010010100000110…
…100111001010101100
311100021101220101202222
4222110012213022230
51221022203343340
632512225334512
73165623214230
oct522406471254
9140241811688
1045434434220
11182a560a99a
12897ba97438
134390c1ab06
1422b02385c0
1512adb548b5
hexa941a72ac

45434434220 has 24 divisors (see below), whose sum is σ = 109042642464. Its totient is φ = 15577520256.

The previous prime is 45434434219. The next prime is 45434434223. The reversal of 45434434220 is 2243443454.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is not an unprimeable number, because it can be changed into a prime (45434434223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162265697 + ... + 162265976.

It is an arithmetic number, because the mean of its divisors is an integer number (4543443436).

Almost surely, 245434434220 is an apocalyptic number.

It is an amenable number.

45434434220 is an abundant number, since it is smaller than the sum of its proper divisors (63608208244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45434434220 is a wasteful number, since it uses less digits than its factorization.

45434434220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324531689 (or 324531687 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 35.

Adding to 45434434220 its reverse (2243443454), we get a palindrome (47677877674).

The spelling of 45434434220 in words is "forty-five billion, four hundred thirty-four million, four hundred thirty-four thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 324531673 649063346 1298126692 1622658365 2271721711 3245316730 4543443422 6490633460 9086886844 11358608555 22717217110 45434434220