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40830347 = 297871789
BaseRepresentation
bin1001101111000…
…0010110001011
32211211101201002
42123300112023
540423032342
64015045215
71004023625
oct233602613
984741632
1040830347
1121058498
121181080b
1385c778c
1455cbc15
1538b7d32
hex26f058b

40830347 has 8 divisors (see below), whose sum is σ = 42315600. Its totient is φ = 39350304.

The previous prime is 40830343. The next prime is 40830353. The reversal of 40830347 is 74303804.

40830347 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 40830347 - 22 = 40830343 is a prime.

It is a super-2 number, since 2×408303472 = 3334234472280818, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40830341) 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, 21929 + ... + 23717.

It is an arithmetic number, because the mean of its divisors is an integer number (5289450).

Almost surely, 240830347 is an apocalyptic number.

40830347 is a deficient number, since it is larger than the sum of its proper divisors (1485253).

40830347 is a wasteful number, since it uses less digits than its factorization.

40830347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2605.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 40830347 is about 6389.8628310786. The cubic root of 40830347 is about 344.3454564397.

The spelling of 40830347 in words is "forty million, eight hundred thirty thousand, three hundred forty-seven".

Divisors: 1 29 787 1789 22823 51881 1407943 40830347