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434220141 = 3144740047
BaseRepresentation
bin11001111000011…
…010110001101101
31010021001200001110
4121320122301231
51342130021031
6111030502233
713521544635
oct3170326155
91107050043
10434220141
11203119023
12101504979
136bc633c4
14419516c5
15281c2c46
hex19e1ac6d

434220141 has 4 divisors (see below), whose sum is σ = 578960192. Its totient is φ = 289480092.

The previous prime is 434220113. The next prime is 434220179. The reversal of 434220141 is 141022434.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 434220141 - 213 = 434211949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434220181) 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, 72370021 + ... + 72370026.

It is an arithmetic number, because the mean of its divisors is an integer number (144740048).

Almost surely, 2434220141 is an apocalyptic number.

It is an amenable number.

434220141 is a deficient number, since it is larger than the sum of its proper divisors (144740051).

434220141 is a wasteful number, since it uses less digits than its factorization.

434220141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144740050.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 434220141 is about 20837.9495392421. The cubic root of 434220141 is about 757.2454189211.

Adding to 434220141 its reverse (141022434), we get a palindrome (575242575).

The spelling of 434220141 in words is "four hundred thirty-four million, two hundred twenty thousand, one hundred forty-one".

Divisors: 1 3 144740047 434220141