Search a number
-
+
40283407 = 291389083
BaseRepresentation
bin1001100110101…
…0110100001111
32210210121110001
42121222310033
540303032112
63555225131
7666255223
oct231526417
983717401
1040283407
112081457a
12115a81a7
138465848
1454c8783
15380ac57
hex266ad0f

40283407 has 4 divisors (see below), whose sum is σ = 41672520. Its totient is φ = 38894296.

The previous prime is 40283393. The next prime is 40283423. The reversal of 40283407 is 70438204.

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

It is a cyclic number.

It is not a de Polignac number, because 40283407 - 211 = 40281359 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 (40283437) 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, 694513 + ... + 694570.

It is an arithmetic number, because the mean of its divisors is an integer number (10418130).

Almost surely, 240283407 is an apocalyptic number.

40283407 is a deficient number, since it is larger than the sum of its proper divisors (1389113).

40283407 is a wasteful number, since it uses less digits than its factorization.

40283407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1389112.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 40283407 is about 6346.9210645793. The cubic root of 40283407 is about 342.8009878352.

The spelling of 40283407 in words is "forty million, two hundred eighty-three thousand, four hundred seven".

Divisors: 1 29 1389083 40283407