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431684097 = 31317961837
BaseRepresentation
bin11001101110101…
…111101000000001
31010002021211020220
4121232233220001
51341002342342
6110500253253
713461153135
oct3156575001
91102254226
10431684097
11201746719
121006a1229
136b585ca0
14414913c5
1527d715ec
hex19bafa01

431684097 has 16 divisors (see below), whose sum is σ = 623327040. Its totient is φ = 264163392.

The previous prime is 431684089. The next prime is 431684101. The reversal of 431684097 is 790486134.

It is not a de Polignac number, because 431684097 - 23 = 431684089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (431684027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23938 + ... + 37899.

It is an arithmetic number, because the mean of its divisors is an integer number (38957940).

Almost surely, 2431684097 is an apocalyptic number.

It is an amenable number.

431684097 is a deficient number, since it is larger than the sum of its proper divisors (191642943).

431684097 is a wasteful number, since it uses less digits than its factorization.

431684097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62032.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 431684097 is about 20777.0088559446. The cubic root of 431684097 is about 755.7683198002.

The spelling of 431684097 in words is "four hundred thirty-one million, six hundred eighty-four thousand, ninety-seven".

Divisors: 1 3 13 39 179 537 2327 6981 61837 185511 803881 2411643 11068823 33206469 143894699 431684097