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40342001 = 75763143
BaseRepresentation
bin1001100111100…
…1000111110001
32210220120211012
42121321013301
540311421001
64000400305
7666621110
oct231710761
983816735
1040342001
11208545a7
1211616095
13848640b
145501c77
15381d2bb
hex26791f1

40342001 has 4 divisors (see below), whose sum is σ = 46105152. Its totient is φ = 34578852.

The previous prime is 40341989. The next prime is 40342013. The reversal of 40342001 is 10024304.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (40341989) and next prime (40342013).

It is not a de Polignac number, because 40342001 - 26 = 40341937 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (40342021) 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, 2881565 + ... + 2881578.

It is an arithmetic number, because the mean of its divisors is an integer number (11526288).

Almost surely, 240342001 is an apocalyptic number.

It is an amenable number.

40342001 is a deficient number, since it is larger than the sum of its proper divisors (5763151).

40342001 is an equidigital number, since it uses as much as digits as its factorization.

40342001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5763150.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 40342001 is about 6351.5353262026. The cubic root of 40342001 is about 342.9671137229.

Adding to 40342001 its reverse (10024304), we get a palindrome (50366305).

The spelling of 40342001 in words is "forty million, three hundred forty-two thousand, one".

Divisors: 1 7 5763143 40342001