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434230040 = 23510855751
BaseRepresentation
bin11001111000011…
…101001100011000
31010021002011122002
4121320131030120
51342130330130
6111031020132
713521615536
oct3170351430
91107064562
10434230040
11203125502
1210150a648
136bc67a6a
1441955156
15281c5b45
hex19e1d318

434230040 has 16 divisors (see below), whose sum is σ = 977017680. Its totient is φ = 173692000.

The previous prime is 434230033. The next prime is 434230063. The reversal of 434230040 is 40032434.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 434229994 and 434230021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5427836 + ... + 5427915.

It is an arithmetic number, because the mean of its divisors is an integer number (61063605).

Almost surely, 2434230040 is an apocalyptic number.

434230040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

434230040 is an abundant number, since it is smaller than the sum of its proper divisors (542787640).

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

434230040 is a wasteful number, since it uses less digits than its factorization.

434230040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10855762 (or 10855758 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 434230040 is about 20838.1870612585. The cubic root of 434230040 is about 757.2511732338.

Adding to 434230040 its reverse (40032434), we get a palindrome (474262474).

The spelling of 434230040 in words is "four hundred thirty-four million, two hundred thirty thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 10855751 21711502 43423004 54278755 86846008 108557510 217115020 434230040