Search a number
-
+
40004141 = 372634111
BaseRepresentation
bin1001100010011…
…0101000101101
32210021102100212
42120212220231
540220113031
63545232205
7664013102
oct230465055
983242325
1040004141
1120643781
1211492665
1383986b8
145454aa9
1537a312b
hex2626a2d

40004141 has 8 divisors (see below), whose sum is σ = 41251584. Its totient is φ = 38765520.

The previous prime is 40004131. The next prime is 40004143. The reversal of 40004141 is 14140004.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-40004141 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 (40004143) 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, 7676 + ... + 11786.

It is an arithmetic number, because the mean of its divisors is an integer number (5156448).

Almost surely, 240004141 is an apocalyptic number.

It is an amenable number.

40004141 is a deficient number, since it is larger than the sum of its proper divisors (1247443).

40004141 is a wasteful number, since it uses less digits than its factorization.

40004141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4411.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 40004141 is about 6324.8826866591. The cubic root of 40004141 is about 342.0069906121.

Adding to 40004141 its reverse (14140004), we get a palindrome (54144145).

The spelling of 40004141 in words is "forty million, four thousand, one hundred forty-one".

Divisors: 1 37 263 4111 9731 152107 1081193 40004141