Search a number
-
+
434113040 = 245231311801
BaseRepresentation
bin11001111000000…
…000101000010000
31010020212020010202
4121320000220100
51342113104130
6111024314332
713520620454
oct3170005020
91106766122
10434113040
11203055609
121014729a8
136bc2672a
1441924664
15281a1145
hex19e00a10

434113040 has 80 divisors (see below), whose sum is σ = 1061824896. Its totient is φ = 164736000.

The previous prime is 434113039. The next prime is 434113067. The reversal of 434113040 is 40311434.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240140 + ... + 241940.

Almost surely, 2434113040 is an apocalyptic number.

434113040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 434113040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (530912448).

434113040 is an abundant number, since it is smaller than the sum of its proper divisors (627711856).

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

434113040 is a wasteful number, since it uses less digits than its factorization.

434113040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1968 (or 1962 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 434113040 is about 20835.3795261809. The cubic root of 434113040 is about 757.1831552574.

Adding to 434113040 its reverse (40311434), we get a palindrome (474424474).

The spelling of 434113040 in words is "four hundred thirty-four million, one hundred thirteen thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 23 40 46 80 92 115 131 184 230 262 368 460 524 655 920 1048 1310 1801 1840 2096 2620 3013 3602 5240 6026 7204 9005 10480 12052 14408 15065 18010 24104 28816 30130 36020 41423 48208 60260 72040 82846 120520 144080 165692 207115 235931 241040 331384 414230 471862 662768 828460 943724 1179655 1656920 1887448 2359310 3313840 3774896 4718620 5426413 9437240 10852826 18874480 21705652 27132065 43411304 54264130 86822608 108528260 217056520 434113040