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40494941 = 280314447
BaseRepresentation
bin1001101001111…
…0011101011101
32211012100121122
42122132131131
540331314231
64003540325
71001126024
oct232363535
984170548
1040494941
11209494a3
121168a6a5
13850ac06
1455418bb
15384d77b
hex269e75d

40494941 has 4 divisors (see below), whose sum is σ = 40512192. Its totient is φ = 40477692.

The previous prime is 40494929. The next prime is 40494943. The reversal of 40494941 is 14949404.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40494941 - 26 = 40494877 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 (40494943) 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, 4421 + ... + 10026.

It is an arithmetic number, because the mean of its divisors is an integer number (10128048).

Almost surely, 240494941 is an apocalyptic number.

It is an amenable number.

40494941 is a deficient number, since it is larger than the sum of its proper divisors (17251).

40494941 is a wasteful number, since it uses less digits than its factorization.

40494941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17250.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 40494941 is about 6363.5635456873. The cubic root of 40494941 is about 343.3999731351.

The spelling of 40494941 in words is "forty million, four hundred ninety-four thousand, nine hundred forty-one".

Divisors: 1 2803 14447 40494941