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434431504 = 241319372971
BaseRepresentation
bin11001111001001…
…110011000010000
31010021110101222201
4121321032120100
51342203302004
6111035212544
713523415103
oct3171163020
91107411881
10434431504
11203252901
121015a7154
136c008680
14419a873a
15282156a4
hex19e4e610

434431504 has 80 divisors (see below), whose sum is σ = 980284480. Its totient is φ = 184757760.

The previous prime is 434431493. The next prime is 434431589. The reversal of 434431504 is 405134434.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144739 + ... + 147709.

It is an arithmetic number, because the mean of its divisors is an integer number (12253556).

Almost surely, 2434431504 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 434431504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (490142240).

434431504 is an abundant number, since it is smaller than the sum of its proper divisors (545852976).

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

434431504 is a wasteful number, since it uses less digits than its factorization.

434431504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3048 (or 3042 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 434431504 is about 20843.0205104730. The cubic root of 434431504 is about 757.3682657491.

Adding to 434431504 its reverse (405134434), we get a palindrome (839565938).

The spelling of 434431504 in words is "four hundred thirty-four million, four hundred thirty-one thousand, five hundred four".

Divisors: 1 2 4 8 13 16 19 26 37 38 52 74 76 104 148 152 208 247 296 304 481 494 592 703 962 988 1406 1924 1976 2812 2971 3848 3952 5624 5942 7696 9139 11248 11884 18278 23768 36556 38623 47536 56449 73112 77246 109927 112898 146224 154492 219854 225796 308984 439708 451592 617968 733837 879416 903184 1429051 1467674 1758832 2088613 2858102 2935348 4177226 5716204 5870696 8354452 11432408 11741392 16708904 22864816 27151969 33417808 54303938 108607876 217215752 434431504