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40670741 = 208919469
BaseRepresentation
bin1001101100100…
…1011000010101
32211112021202202
42123021120111
540402430431
64011414245
71002460406
oct233113025
984467682
1040670741
1120a59591
1211754385
13856cc37
1455899ad
1538858cb
hex26c9615

40670741 has 4 divisors (see below), whose sum is σ = 40692300. Its totient is φ = 40649184.

The previous prime is 40670737. The next prime is 40670753. The reversal of 40670741 is 14707604.

It is a happy number.

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 26306641 + 14364100 = 5129^2 + 3790^2 .

It is a cyclic number.

It is not a de Polignac number, because 40670741 - 22 = 40670737 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40670761) 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, 7646 + ... + 11823.

It is an arithmetic number, because the mean of its divisors is an integer number (10173075).

Almost surely, 240670741 is an apocalyptic number.

It is an amenable number.

40670741 is a deficient number, since it is larger than the sum of its proper divisors (21559).

40670741 is a wasteful number, since it uses less digits than its factorization.

40670741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21558.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 40670741 is about 6377.3616017911. The cubic root of 40670741 is about 343.8961879149.

The spelling of 40670741 in words is "forty million, six hundred seventy thousand, seven hundred forty-one".

Divisors: 1 2089 19469 40670741