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434102020 = 225112179381
BaseRepresentation
bin11001110111111…
…101111100000100
31010020211200000121
4121313331330010
51342112231040
6111024151324
713520543362
oct3167757404
91106750017
10434102020
11203048300
12101468544
136bc21701
1441920632
152819cc4a
hex19dfdf04

434102020 has 36 divisors (see below), whose sum is σ = 1002027852. Its totient is φ = 157854400.

The previous prime is 434102003. The next prime is 434102051. The reversal of 434102020 is 20201434.

It can be written as a sum of positive squares in 2 ways, for example, as 242611776 + 191490244 = 15576^2 + 13838^2 .

It is a junction number, because it is equal to n+sod(n) for n = 434101985 and 434102003.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 87271 + ... + 92110.

It is an arithmetic number, because the mean of its divisors is an integer number (27834107).

Almost surely, 2434102020 is an apocalyptic number.

It is an amenable number.

434102020 is an abundant number, since it is smaller than the sum of its proper divisors (567925832).

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

434102020 is a wasteful number, since it uses less digits than its factorization.

434102020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179412 (or 179399 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 434102020 is about 20835.1150704766. The cubic root of 434102020 is about 757.1767481481.

Adding to 434102020 its reverse (20201434), we get a palindrome (454303454).

The spelling of 434102020 in words is "four hundred thirty-four million, one hundred two thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 121 220 242 484 605 1210 2420 179381 358762 717524 896905 1793810 1973191 3587620 3946382 7892764 9865955 19731910 21705101 39463820 43410202 86820404 108525505 217051010 434102020