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40831803 = 331512289
BaseRepresentation
bin1001101111000…
…0101100111011
32211211110201000
42123300230323
540423104203
64015100043
71004031105
oct233605473
984743630
1040831803
11210595a1
1211811623
1385c833c
1455cc575
1538b84a3
hex26f0b3b

40831803 has 8 divisors (see below), whose sum is σ = 60491600. Its totient is φ = 27221184.

The previous prime is 40831801. The next prime is 40831849. The reversal of 40831803 is 30813804.

It is not a de Polignac number, because 40831803 - 21 = 40831801 is a prime.

It is a super-2 number, since 2×408318032 = 3334472272461618, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1512289 = 40831803 / (4 + 0 + 8 + 3 + 1 + 8 + 0 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40831801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 756118 + ... + 756171.

It is an arithmetic number, because the mean of its divisors is an integer number (7561450).

Almost surely, 240831803 is an apocalyptic number.

40831803 is a deficient number, since it is larger than the sum of its proper divisors (19659797).

40831803 is a wasteful number, since it uses less digits than its factorization.

40831803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1512298 (or 1512292 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 40831803 is about 6389.9767605211. The cubic root of 40831803 is about 344.3495494821.

It can be divided in two parts, 4083 and 1803, that added together give a triangular number (5886 = T108).

The spelling of 40831803 in words is "forty million, eight hundred thirty-one thousand, eight hundred three".

Divisors: 1 3 9 27 1512289 4536867 13610601 40831803