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40299901 = 43937207
BaseRepresentation
bin1001100110111…
…0110101111101
32210211110001221
42121232311331
540304044101
63555433341
7666354265
oct231566575
983743057
1040299901
1120825a04
12115b5851
1384701c5
1454d07a5
153810aa1
hex266ed7d

40299901 has 4 divisors (see below), whose sum is σ = 41237152. Its totient is φ = 39362652.

The previous prime is 40299863. The next prime is 40299949. The reversal of 40299901 is 10999204.

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 40299901 - 211 = 40297853 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 (40299971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 468561 + ... + 468646.

It is an arithmetic number, because the mean of its divisors is an integer number (10309288).

Almost surely, 240299901 is an apocalyptic number.

It is an amenable number.

40299901 is a deficient number, since it is larger than the sum of its proper divisors (937251).

40299901 is an equidigital number, since it uses as much as digits as its factorization.

40299901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937250.

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 40299901 is about 6348.2203017854. The cubic root of 40299901 is about 342.8477679563.

The spelling of 40299901 in words is "forty million, two hundred ninety-nine thousand, nine hundred one".

Divisors: 1 43 937207 40299901