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434148743 = 762021249
BaseRepresentation
bin11001111000001…
…001010110000111
31010020221001010002
4121320021112013
51342120224433
6111025151515
713521126530
oct3170112607
91106831102
10434148743
1120307a416
1210148b59b
136bc39a62
1441933687
15281ab9e8
hex19e09587

434148743 has 4 divisors (see below), whose sum is σ = 496170000. Its totient is φ = 372127488.

The previous prime is 434148733. The next prime is 434148809. The reversal of 434148743 is 347841434.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 434148743 - 216 = 434083207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 434148697 and 434148706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434148733) 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, 31010618 + ... + 31010631.

It is an arithmetic number, because the mean of its divisors is an integer number (124042500).

Almost surely, 2434148743 is an apocalyptic number.

434148743 is a deficient number, since it is larger than the sum of its proper divisors (62021257).

434148743 is an equidigital number, since it uses as much as digits as its factorization.

434148743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62021256.

The product of its digits is 129024, while the sum is 38.

The square root of 434148743 is about 20836.2362964140. The cubic root of 434148743 is about 757.2039125000.

The spelling of 434148743 in words is "four hundred thirty-four million, one hundred forty-eight thousand, seven hundred forty-three".

Divisors: 1 7 62021249 434148743