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438057 = 3248673
BaseRepresentation
bin1101010111100101001
3211020220100
41222330221
5103004212
613220013
73503064
oct1527451
9736810
10438057
1127a134
12191609
13124509
14b58db
1589bdc
hex6af29

438057 has 6 divisors (see below), whose sum is σ = 632762. Its totient is φ = 292032.

The previous prime is 438049. The next prime is 438091. The reversal of 438057 is 750834.

It can be written as a sum of positive squares in only one way, i.e., 254016 + 184041 = 504^2 + 429^2 .

It is not a de Polignac number, because 438057 - 23 = 438049 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 438057.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 438057.

It is not an unprimeable number, because it can be changed into a prime (438017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24328 + ... + 24345.

2438057 is an apocalyptic number.

It is an amenable number.

438057 is a deficient number, since it is larger than the sum of its proper divisors (194705).

438057 is a wasteful number, since it uses less digits than its factorization.

438057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48679 (or 48676 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 438057 is about 661.8587462594. The cubic root of 438057 is about 75.9469273974.

It can be divided in two parts, 43 and 8057, that added together give a square (8100 = 902).

The spelling of 438057 in words is "four hundred thirty-eight thousand, fifty-seven".

Divisors: 1 3 9 48673 146019 438057