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434201623 = 1937216693
BaseRepresentation
bin11001111000010…
…110010000010111
31010021000201122121
4121320112100113
51342123422443
6111030240411
713521436642
oct3170262027
91107021577
10434201623
11203106119
121014b6107
136bc57b4b
1441948a59
15281bc4ed
hex19e16417

434201623 has 12 divisors (see below), whose sum is σ = 469769160. Its totient is φ = 400207392.

The previous prime is 434201587. The next prime is 434201627. The reversal of 434201623 is 326102434.

It is not a de Polignac number, because 434201623 - 217 = 434070551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434201627) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17665 + ... + 34357.

It is an arithmetic number, because the mean of its divisors is an integer number (39147430).

Almost surely, 2434201623 is an apocalyptic number.

434201623 is a deficient number, since it is larger than the sum of its proper divisors (35567537).

434201623 is a wasteful number, since it uses less digits than its factorization.

434201623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16786 (or 16749 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 434201623 is about 20837.5052009592. The cubic root of 434201623 is about 757.2346541279.

The spelling of 434201623 in words is "four hundred thirty-four million, two hundred one thousand, six hundred twenty-three".

Divisors: 1 19 37 703 1369 16693 26011 317167 617641 11735179 22852717 434201623