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438701 is a prime number
BaseRepresentation
bin1101011000110101101
3211021210012
41223012231
5103014301
613223005
73505004
oct1530655
9737705
10438701
1127a66a
12191a65
131248b3
14b5c3b
1589ebb
hex6b1ad

438701 has 2 divisors, whose sum is σ = 438702. Its totient is φ = 438700.

The previous prime is 438671. The next prime is 438707. The reversal of 438701 is 107834.

Added to its reverse (107834) it gives a triangular number (546535 = T1045).

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 348100 + 90601 = 590^2 + 301^2 .

It is a cyclic number.

It is not a de Polignac number, because 438701 - 26 = 438637 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is equal to p36842 and since 438701 and 36842 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (438707) 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 as a sum of consecutive naturals, namely, 219350 + 219351.

It is an arithmetic number, because the mean of its divisors is an integer number (219351).

2438701 is an apocalyptic number.

It is an amenable number.

438701 is a deficient number, since it is larger than the sum of its proper divisors (1).

438701 is an equidigital number, since it uses as much as digits as its factorization.

438701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 438701 is about 662.3450762254. The cubic root of 438701 is about 75.9841264171.

Adding to 438701 its reverse (107834), we get a triangular number (546535 = T1045).

The spelling of 438701 in words is "four hundred thirty-eight thousand, seven hundred one".