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40903919 = 79975861
BaseRepresentation
bin1001110000001…
…0010011101111
32211222010121222
42130002103233
540432411134
64020413555
71004451260
oct234022357
984863558
1040903919
11210a87a1
12118472bb
138622104
14560a967
1538cea2e
hex27024ef

40903919 has 8 divisors (see below), whose sum is σ = 46802208. Its totient is φ = 35019360.

The previous prime is 40903897. The next prime is 40903931. The reversal of 40903919 is 91930904.

40903919 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40903919 - 216 = 40838383 is a prime.

It is a super-2 number, since 2×409039192 = 3346261179117122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40903619) 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, 4049 + ... + 9909.

It is an arithmetic number, because the mean of its divisors is an integer number (5850276).

Almost surely, 240903919 is an apocalyptic number.

40903919 is a deficient number, since it is larger than the sum of its proper divisors (5898289).

40903919 is an equidigital number, since it uses as much as digits as its factorization.

40903919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6865.

The product of its (nonzero) digits is 8748, while the sum is 35.

The square root of 40903919 is about 6395.6171711571. The cubic root of 40903919 is about 344.5521571291.

The spelling of 40903919 in words is "forty million, nine hundred three thousand, nine hundred nineteen".

Divisors: 1 7 997 5861 6979 41027 5843417 40903919