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434030020 = 22567323903
BaseRepresentation
bin11001110111101…
…100010111000100
31010020201000020221
4121313230113010
51342102430040
6111022434124
713520123434
oct3167542704
91106630227
10434030020
11202aa91a6
12101432944
136bbc79c8
14419022c4
152818674a
hex19dec5c4

434030020 has 24 divisors (see below), whose sum is σ = 925069824. Its totient is φ = 171020256.

The previous prime is 434029961. The next prime is 434030057. The reversal of 434030020 is 20030434.

It is a super-2 number, since 2×4340300202 = 376764116522400800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 434029976 and 434030003.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160612 + ... + 163291.

It is an arithmetic number, because the mean of its divisors is an integer number (38544576).

Almost surely, 2434030020 is an apocalyptic number.

It is an amenable number.

434030020 is an abundant number, since it is smaller than the sum of its proper divisors (491039804).

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

434030020 is a wasteful number, since it uses less digits than its factorization.

434030020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323979 (or 323977 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 434030020 is about 20833.3871465972. The cubic root of 434030020 is about 757.1348841487.

Adding to 434030020 its reverse (20030434), we get a palindrome (454060454).

The spelling of 434030020 in words is "four hundred thirty-four million, thirty thousand, twenty".

Divisors: 1 2 4 5 10 20 67 134 268 335 670 1340 323903 647806 1295612 1619515 3239030 6478060 21701501 43403002 86806004 108507505 217015010 434030020