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39490633 = 713433963
BaseRepresentation
bin1001011010100…
…1010001001001
32202022022222001
42112221101021
540102200013
63530231001
7656444020
oct226512111
982268861
1039490633
1120322996
1211285461
138248a50
14535d8b7
153700ddd
hex25a9449

39490633 has 8 divisors (see below), whose sum is σ = 48603968. Its totient is φ = 31245264.

The previous prime is 39490631. The next prime is 39490637. The reversal of 39490633 is 33609493.

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 39490633 - 21 = 39490631 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 39490592 and 39490601.

It is not an unprimeable number, because it can be changed into a prime (39490631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216891 + ... + 217072.

It is an arithmetic number, because the mean of its divisors is an integer number (6075496).

Almost surely, 239490633 is an apocalyptic number.

It is an amenable number.

39490633 is a deficient number, since it is larger than the sum of its proper divisors (9113335).

39490633 is a wasteful number, since it uses less digits than its factorization.

39490633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433983.

The product of its (nonzero) digits is 52488, while the sum is 37.

The square root of 39490633 is about 6284.1573022960. The cubic root of 39490633 is about 340.5373078752.

The spelling of 39490633 in words is "thirty-nine million, four hundred ninety thousand, six hundred thirty-three".

Divisors: 1 7 13 91 433963 3037741 5641519 39490633