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1040807954 = 219214312781
BaseRepresentation
bin111110000010010…
…111100000010010
32200112110112002202
4332002113200102
54112421323304
6251140043202
734535502344
oct7602274022
92615415082
101040807954
1149456646a
12250693502
131378276c4
149c331294
156159281e
hex3e097812

1040807954 has 16 divisors (see below), whose sum is σ = 1644276480. Its totient is φ = 492745680.

The previous prime is 1040807921. The next prime is 1040807959. The reversal of 1040807954 is 4597080401.

It is a super-2 number, since 2×10408079542 = 2166562394219332232, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1040807959) 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, 75044 + ... + 87824.

It is an arithmetic number, because the mean of its divisors is an integer number (102767280).

Almost surely, 21040807954 is an apocalyptic number.

1040807954 is a deficient number, since it is larger than the sum of its proper divisors (603468526).

1040807954 is a wasteful number, since it uses less digits than its factorization.

1040807954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14945.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 1040807954 is about 32261.5553561821. Note that the first 3 decimals coincide. The cubic root of 1040807954 is about 1013.4217032765.

The spelling of 1040807954 in words is "one billion, forty million, eight hundred seven thousand, nine hundred fifty-four".

Divisors: 1 2 19 38 2143 4286 12781 25562 40717 81434 242839 485678 27389683 54779366 520403977 1040807954