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434531040 = 25357312401
BaseRepresentation
bin11001111001100…
…110101011100000
31010021122110112020
4121321212223200
51342214443130
6111041301440
713524311226
oct3171465340
91107573466
10434531040
11203310669
12101634880
136c041a78
14419d2b16
1528234e10
hex19e66ae0

434531040 has 96 divisors (see below), whose sum is σ = 1387634976. Its totient is φ = 114278400.

The previous prime is 434531021. The next prime is 434531063. The reversal of 434531040 is 40135434.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 434531040.

It is a congruent number.

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, 28840 + ... + 41240.

It is an arithmetic number, because the mean of its divisors is an integer number (14454531).

Almost surely, 2434531040 is an apocalyptic number.

434531040 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 434531040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (693817488).

434531040 is an abundant number, since it is smaller than the sum of its proper divisors (953103936).

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

434531040 is a wasteful number, since it uses less digits than its factorization.

434531040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12492 (or 12484 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 434531040 is about 20845.4081274510. The cubic root of 434531040 is about 757.4261035213.

Adding to 434531040 its reverse (40135434), we get a palindrome (474666474).

The spelling of 434531040 in words is "four hundred thirty-four million, five hundred thirty-one thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 73 80 96 120 146 160 219 240 292 365 438 480 584 730 876 1095 1168 1460 1752 2190 2336 2920 3504 4380 5840 7008 8760 11680 12401 17520 24802 35040 37203 49604 62005 74406 99208 124010 148812 186015 198416 248020 297624 372030 396832 496040 595248 744060 905273 992080 1190496 1488120 1810546 1984160 2715819 2976240 3621092 4526365 5431638 5952480 7242184 9052730 10863276 13579095 14484368 18105460 21726552 27158190 28968736 36210920 43453104 54316380 72421840 86906208 108632760 144843680 217265520 434531040