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431994 = 2371999
BaseRepresentation
bin1101001011101111010
3210221120210
41221131322
5102310434
613131550
73446313
oct1513572
9727523
10431994
11275622
12189bb6
13121824
14b360a
1587ee9
hex6977a

431994 has 8 divisors (see below), whose sum is σ = 864000. Its totient is φ = 143996.

The previous prime is 431993. The next prime is 432001. The reversal of 431994 is 499134.

It is a sphenic number, since it is the product of 3 distinct primes.

431994 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (431993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35994 + ... + 36005.

It is an arithmetic number, because the mean of its divisors is an integer number (108000).

2431994 is an apocalyptic number.

431994 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

431994 is a wasteful number, since it uses less digits than its factorization.

431994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72004.

The product of its digits is 3888, while the sum is 30.

The square root of 431994 is about 657.2625046357. The cubic root of 431994 is about 75.5949130140.

The spelling of 431994 in words is "four hundred thirty-one thousand, nine hundred ninety-four".

Divisors: 1 2 3 6 71999 143998 215997 431994