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40606836 = 2233383903
BaseRepresentation
bin1001101011100…
…1110001110100
32211102001002220
42122321301310
540343404321
64010202340
71002103164
oct232716164
984361086
1040606836
1120a15576
12117233b0
138549b1a
1455705a4
1538719c6
hex26b9c74

40606836 has 12 divisors (see below), whose sum is σ = 94749312. Its totient is φ = 13535608.

The previous prime is 40606831. The next prime is 40606843. The reversal of 40606836 is 63860604.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 40606797 and 40606806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40606831) 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, 1691940 + ... + 1691963.

It is an arithmetic number, because the mean of its divisors is an integer number (7895776).

Almost surely, 240606836 is an apocalyptic number.

It is an amenable number.

40606836 is an abundant number, since it is smaller than the sum of its proper divisors (54142476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40606836 is a wasteful number, since it uses less digits than its factorization.

40606836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3383910 (or 3383908 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 40606836 is about 6372.3493312906. The cubic root of 40606836 is about 343.7159747700.

The spelling of 40606836 in words is "forty million, six hundred six thousand, eight hundred thirty-six".

Divisors: 1 2 3 4 6 12 3383903 6767806 10151709 13535612 20303418 40606836