Search a number
40010371 = 192105809
BaseRepresentation
bin1001100010100…
…0001010000011
32210021201220121
42120220022003
540220312441
63545321111
7664040212
oct230501203
983251817
1040010371
1120648425
1211496197
13839b49b
145457079
1537a4dd1
hex2628283

40010371 has 4 divisors (see below), whose sum is σ = 42116200. Its totient is φ = 37904544.

The previous prime is 40010359. The next prime is 40010381. The reversal of 40010371 is 17301004.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2k-40010371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40010381) 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, 1052886 + ... + 1052923.

It is an arithmetic number, because the mean of its divisors is an integer number (10529050).

Almost surely, 240010371 is an apocalyptic number.

40010371 is a deficient number, since it is larger than the sum of its proper divisors (2105829).

40010371 is a wasteful number, since it uses less digits than its factorization.

40010371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2105828.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 40010371 is about 6325.3751667391. The cubic root of 40010371 is about 342.0247437155.

Adding to 40010371 its reverse (17301004), we get a palindrome (57311375).

The spelling of 40010371 in words is "forty million, ten thousand, three hundred seventy-one".

Divisors: 1 19 2105809 40010371