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40142301 = 313380767
BaseRepresentation
bin1001100100100…
…0010111011101
32210112102212220
42121020113131
540234023201
63552215553
7665126643
oct231102735
983472786
1040142301
1120728561
121153a5b9
138416554
14548d193
1537ce036
hex26485dd

40142301 has 4 divisors (see below), whose sum is σ = 53523072. Its totient is φ = 26761532.

The previous prime is 40142281. The next prime is 40142339. The reversal of 40142301 is 10324104.

40142301 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 40142301 - 211 = 40140253 is a prime.

It is a super-2 number, since 2×401423012 = 3222808659149202, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40142341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6690381 + ... + 6690386.

It is an arithmetic number, because the mean of its divisors is an integer number (13380768).

Almost surely, 240142301 is an apocalyptic number.

It is an amenable number.

40142301 is a deficient number, since it is larger than the sum of its proper divisors (13380771).

40142301 is a wasteful number, since it uses less digits than its factorization.

40142301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13380770.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 40142301 is about 6335.7952144936. The cubic root of 40142301 is about 342.4002615083.

Adding to 40142301 its reverse (10324104), we get a palindrome (50466405).

The spelling of 40142301 in words is "forty million, one hundred forty-two thousand, three hundred one".

Divisors: 1 3 13380767 40142301