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434414240 = 25513732861
BaseRepresentation
bin11001111001001…
…010001010100000
31010021102112022022
4121321022022200
51342202223430
6111035001012
713523313551
oct3171121240
91107375268
10434414240
11203240937
12101599168
136c000860
14419a2328
15282104e5
hex19e4a2a0

434414240 has 96 divisors (see below), whose sum is σ = 1120782096. Its totient is φ = 158146560.

The previous prime is 434414237. The next prime is 434414263. The reversal of 434414240 is 42414434.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 131515024 + 302899216 = 11468^2 + 17404^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

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, 150410 + ... + 153270.

Almost surely, 2434414240 is an apocalyptic number.

434414240 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 434414240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (560391048).

434414240 is an abundant number, since it is smaller than the sum of its proper divisors (686367856).

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

434414240 is a wasteful number, since it uses less digits than its factorization.

434414240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2962 (or 2954 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 434414240 is about 20842.6063629288. The cubic root of 434414240 is about 757.3582331902.

Adding to 434414240 its reverse (42414434), we get a palindrome (476828674).

The spelling of 434414240 in words is "four hundred thirty-four million, four hundred fourteen thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 13 16 20 26 32 40 52 65 73 80 104 130 146 160 208 260 292 365 416 520 584 730 949 1040 1168 1460 1898 2080 2336 2861 2920 3796 4745 5722 5840 7592 9490 11444 11680 14305 15184 18980 22888 28610 30368 37193 37960 45776 57220 74386 75920 91552 114440 148772 151840 185965 208853 228880 297544 371930 417706 457760 595088 743860 835412 1044265 1190176 1487720 1670824 2088530 2715089 2975440 3341648 4177060 5430178 5950880 6683296 8354120 10860356 13575445 16708240 21720712 27150890 33416480 43441424 54301780 86882848 108603560 217207120 434414240