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431798045 = 57217432411
BaseRepresentation
bin11001101111001…
…011011100011101
31010002111121120012
4121233023130131
51341020014140
6110502533005
713462136300
oct3157133435
91102447505
10431798045
11201814298
12100737165
136b5c5b03
14414c0b37
1527d95265
hex19bcb71d

431798045 has 48 divisors (see below), whose sum is σ = 653323968. Its totient is φ = 272079360.

The previous prime is 431797991. The next prime is 431798057. The reversal of 431798045 is 540897134.

It is not a de Polignac number, because 431798045 - 26 = 431797981 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 431797993 and 431798011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 177890 + ... + 180300.

It is an arithmetic number, because the mean of its divisors is an integer number (13610916).

Almost surely, 2431798045 is an apocalyptic number.

It is an amenable number.

431798045 is a deficient number, since it is larger than the sum of its proper divisors (221525923).

431798045 is a wasteful number, since it uses less digits than its factorization.

431798045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2490 (or 2483 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 431798045 is about 20779.7508406622. The cubic root of 431798045 is about 755.8348118738.

The spelling of 431798045 in words is "four hundred thirty-one million, seven hundred ninety-eight thousand, forty-five".

Divisors: 1 5 7 17 35 43 49 85 119 215 245 301 595 731 833 1505 2107 2411 3655 4165 5117 10535 12055 16877 25585 35819 40987 84385 103673 118139 179095 204935 286909 518365 590695 725711 1434545 1762441 2008363 3628555 5079977 8812205 10041815 12337087 25399885 61685435 86359609 431798045