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6474990 = 235215833
BaseRepresentation
bin11000101100110011101110
3110011222000110
4120230303232
53124144430
6350440450
7106015344
oct30546356
913158013
106474990
113722835
122203126
131459272
14c07994
1587d7b0
hex62ccee

6474990 has 16 divisors (see below), whose sum is σ = 15540048. Its totient is φ = 1726656.

The previous prime is 6474973. The next prime is 6475019. The reversal of 6474990 is 994746.

It is a congruent number.

It is an unprimeable number.

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, 107887 + ... + 107946.

It is an arithmetic number, because the mean of its divisors is an integer number (971253).

Almost surely, 26474990 is an apocalyptic number.

6474990 is an abundant number, since it is smaller than the sum of its proper divisors (9065058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6474990 is a wasteful number, since it uses less digits than its factorization.

6474990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215843.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 6474990 is about 2544.6001650554. The cubic root of 6474990 is about 186.3858909483.

The spelling of 6474990 in words is "six million, four hundred seventy-four thousand, nine hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 215833 431666 647499 1079165 1294998 2158330 3237495 6474990