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7990433 = 11733991
BaseRepresentation
bin11110011110110010100001
3120000221210222
4132132302201
54021143213
6443132425
7124626503
oct36366241
916027728
107990433
114568370
122814115
131869c89
1410bdd73
15a7c808
hex79eca1

7990433 has 8 divisors (see below), whose sum is σ = 8737536. Its totient is φ = 7246800.

The previous prime is 7990427. The next prime is 7990441. The reversal of 7990433 is 3340997.

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

It is not a de Polignac number, because 7990433 - 210 = 7989409 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7990393 and 7990402.

It is not an unprimeable number, because it can be changed into a prime (7990933) 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, 7568 + ... + 8558.

It is an arithmetic number, because the mean of its divisors is an integer number (1092192).

Almost surely, 27990433 is an apocalyptic number.

It is an amenable number.

7990433 is a deficient number, since it is larger than the sum of its proper divisors (747103).

7990433 is a wasteful number, since it uses less digits than its factorization.

7990433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1735.

The product of its (nonzero) digits is 20412, while the sum is 35.

The square root of 7990433 is about 2826.7353961770. The cubic root of 7990433 is about 199.9202431985.

The spelling of 7990433 in words is "seven million, nine hundred ninety thousand, four hundred thirty-three".

Divisors: 1 11 733 991 8063 10901 726403 7990433