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40975690 = 257585367
BaseRepresentation
bin1001110001001…
…1110101001010
32212002210002011
42130103311022
540442210230
64022130134
71005200440
oct234236512
985083064
1040975690
1121147708
121188094a
138648992
145628b90
1538e5e2a
hex2713d4a

40975690 has 16 divisors (see below), whose sum is σ = 84292992. Its totient is φ = 14048784.

The previous prime is 40975667. The next prime is 40975691. The reversal of 40975690 is 9657904.

40975690 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×409756902 = 3358014341952200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40975691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 292614 + ... + 292753.

It is an arithmetic number, because the mean of its divisors is an integer number (5268312).

Almost surely, 240975690 is an apocalyptic number.

40975690 is an abundant number, since it is smaller than the sum of its proper divisors (43317302).

40975690 is a wasteful number, since it uses less digits than its factorization.

40975690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585381.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 40975690 is about 6401.2256638866. The cubic root of 40975690 is about 344.7535592137.

The spelling of 40975690 in words is "forty million, nine hundred seventy-five thousand, six hundred ninety".

Divisors: 1 2 5 7 10 14 35 70 585367 1170734 2926835 4097569 5853670 8195138 20487845 40975690