Search a number
BaseRepresentation
bin1101010001001111000
3211002110000
41222021320
5102403213
613153000
73460443
oct1521170
9732400
10434808
11277750
1218b760
13122baa
14b465a
1588c73
hex6a278

434808 has 80 divisors (see below), whose sum is σ = 1350360. Its totient is φ = 129600.

The previous prime is 434807. The next prime is 434813. The reversal of 434808 is 808434.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434803) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7098 + ... + 7158.

2434808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 434808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (675180).

434808 is an abundant number, since it is smaller than the sum of its proper divisors (915552).

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

434808 is a wasteful number, since it uses less digits than its factorization.

434808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90 (or 77 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 434808 is about 659.3997270245. The cubic root of 434808 is about 75.7586991284.

It can be divided in two parts, 43 and 4808, that added together give a triangular number (4851 = T98).

The spelling of 434808 in words is "four hundred thirty-four thousand, eight hundred eight".