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40642301 = 75806043
BaseRepresentation
bin1001101100001…
…0011011111101
32211110211202102
42123002123331
540401023201
64011034445
71002311450
oct233023375
984424672
1040642301
1120a3a187
121173ba25
13855cccb
14557d497
15387c26b
hex26c26fd

40642301 has 4 divisors (see below), whose sum is σ = 46448352. Its totient is φ = 34836252.

The previous prime is 40642297. The next prime is 40642309. The reversal of 40642301 is 10324604.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 40642301 - 22 = 40642297 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40642309) 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, 2903015 + ... + 2903028.

It is an arithmetic number, because the mean of its divisors is an integer number (11612088).

Almost surely, 240642301 is an apocalyptic number.

It is an amenable number.

40642301 is a deficient number, since it is larger than the sum of its proper divisors (5806051).

40642301 is an equidigital number, since it uses as much as digits as its factorization.

40642301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5806050.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 40642301 is about 6375.1314496252. The cubic root of 40642301 is about 343.8160099790.

Adding to 40642301 its reverse (10324604), we get a palindrome (50966905).

The spelling of 40642301 in words is "forty million, six hundred forty-two thousand, three hundred one".

Divisors: 1 7 5806043 40642301