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40712377 = 387710501
BaseRepresentation
bin1001101101001…
…1100010111001
32211121101212211
42123103202321
540410244002
64012335121
71003022656
oct233234271
984541784
1040712377
1120a878a2
12117744a1
138585b84
14559ac2d
153892dd7
hex26d38b9

40712377 has 4 divisors (see below), whose sum is σ = 40726756. Its totient is φ = 40698000.

The previous prime is 40712363. The next prime is 40712381. The reversal of 40712377 is 77321704.

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 11162281 + 29550096 = 3341^2 + 5436^2 .

It is a cyclic number.

It is not a de Polignac number, because 40712377 - 215 = 40679609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40710377) 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, 1374 + ... + 9127.

It is an arithmetic number, because the mean of its divisors is an integer number (10181689).

Almost surely, 240712377 is an apocalyptic number.

It is an amenable number.

40712377 is a deficient number, since it is larger than the sum of its proper divisors (14379).

40712377 is a wasteful number, since it uses less digits than its factorization.

40712377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14378.

The product of its (nonzero) digits is 8232, while the sum is 31.

The square root of 40712377 is about 6380.6251261142. The cubic root of 40712377 is about 344.0135005744.

The spelling of 40712377 in words is "forty million, seven hundred twelve thousand, three hundred seventy-seven".

Divisors: 1 3877 10501 40712377