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434145345 = 35194732411
BaseRepresentation
bin11001111000001…
…000100001000001
31010020220212110020
4121320020201001
51342120122340
6111025124053
713521113604
oct3170104101
91106825406
10434145345
11203077907
12101489629
136bc3834a
144193233b
15281aa9d0
hex19e08841

434145345 has 32 divisors (see below), whose sum is σ = 746772480. Its totient is φ = 214683840.

The previous prime is 434145343. The next prime is 434145373. The reversal of 434145345 is 543541434.

It is a happy number.

It is not a de Polignac number, because 434145345 - 21 = 434145343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (434145343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2811 + ... + 29600.

It is an arithmetic number, because the mean of its divisors is an integer number (23336640).

Almost surely, 2434145345 is an apocalyptic number.

It is an amenable number.

434145345 is a deficient number, since it is larger than the sum of its proper divisors (312627135).

434145345 is a wasteful number, since it uses less digits than its factorization.

434145345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32485.

The product of its digits is 57600, while the sum is 33.

The square root of 434145345 is about 20836.1547556165. The cubic root of 434145345 is about 757.2019369976.

Adding to 434145345 its reverse (543541434), we get a palindrome (977686779).

The spelling of 434145345 in words is "four hundred thirty-four million, one hundred forty-five thousand, three hundred forty-five".

Divisors: 1 3 5 15 19 47 57 95 141 235 285 705 893 2679 4465 13395 32411 97233 162055 486165 615809 1523317 1847427 3079045 4569951 7616585 9237135 22849755 28943023 86829069 144715115 434145345