Search a number
-
+
40470733 = 128931397
BaseRepresentation
bin1001101001100…
…0100011001101
32211011010102001
42122120203031
540330030413
64003232301
71000665322
oct232304315
984133361
1040470733
1120932296
1211678691
1384ccba4
145536b49
1538464dd
hex26988cd

40470733 has 4 divisors (see below), whose sum is σ = 40503420. Its totient is φ = 40438048.

The previous prime is 40470721. The next prime is 40470743. The reversal of 40470733 is 33707404.

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

It can be written as a sum of positive squares in 2 ways, for example, as 25431849 + 15038884 = 5043^2 + 3878^2 .

It is a cyclic number.

It is not a de Polignac number, because 40470733 - 25 = 40470701 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 (40470743) 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, 14410 + ... + 16987.

It is an arithmetic number, because the mean of its divisors is an integer number (10125855).

Almost surely, 240470733 is an apocalyptic number.

It is an amenable number.

40470733 is a deficient number, since it is larger than the sum of its proper divisors (32687).

40470733 is a wasteful number, since it uses less digits than its factorization.

40470733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32686.

The product of its (nonzero) digits is 7056, while the sum is 28.

The square root of 40470733 is about 6361.6611824271. The cubic root of 40470733 is about 343.3315309758.

It can be divided in two parts, 404707 and 33, that multiplied together give a palindrome (13355331).

The spelling of 40470733 in words is "forty million, four hundred seventy thousand, seven hundred thirty-three".

Divisors: 1 1289 31397 40470733