Search a number
-
+
40284007 = 139353821
BaseRepresentation
bin1001100110101…
…0111101100111
32210210122021021
42121222331213
540303042012
63555232011
7666260041
oct231527547
983718237
1040284007
1120814a75
12115a8607
138465bba
1454c8a91
15380b007
hex266af67

40284007 has 8 divisors (see below), whose sum is σ = 40738320. Its totient is φ = 39832320.

The previous prime is 40283993. The next prime is 40284053. The reversal of 40284007 is 70048204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40284007 - 223 = 31895399 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 (40284107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48657 + ... + 49477.

It is an arithmetic number, because the mean of its divisors is an integer number (5092290).

Almost surely, 240284007 is an apocalyptic number.

40284007 is a deficient number, since it is larger than the sum of its proper divisors (454313).

40284007 is a wasteful number, since it uses less digits than its factorization.

40284007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313.

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 40284007 is about 6346.9683314162. The cubic root of 40284007 is about 342.8026897731.

The spelling of 40284007 in words is "forty million, two hundred eighty-four thousand, seven".

Divisors: 1 139 353 821 49067 114119 289813 40284007