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40083977 = 1719193643
BaseRepresentation
bin1001100011101…
…0001000001001
32210102110212202
42120322020021
540230141402
63551045545
7664464623
oct230721011
983373782
1040083977
112069875a
12115108b5
1383c5b3b
145475c13
1537bbb02
hex263a209

40083977 has 16 divisors (see below), whose sum is σ = 44976960. Its totient is φ = 35500032.

The previous prime is 40083949. The next prime is 40083983. The reversal of 40083977 is 77938004.

It is a cyclic number.

It is not a de Polignac number, because 40083977 - 28 = 40083721 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40083977.

It is not an unprimeable number, because it can be changed into a prime (40083677) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62018 + ... + 62660.

It is an arithmetic number, because the mean of its divisors is an integer number (2811060).

Almost surely, 240083977 is an apocalyptic number.

It is an amenable number.

40083977 is a deficient number, since it is larger than the sum of its proper divisors (4892983).

40083977 is a wasteful number, since it uses less digits than its factorization.

40083977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 40083977 is about 6331.1908042642. The cubic root of 40083977 is about 342.2343531280.

The spelling of 40083977 in words is "forty million, eighty-three thousand, nine hundred seventy-seven".

Divisors: 1 17 19 193 323 643 3281 3667 10931 12217 62339 124099 207689 2109683 2357881 40083977