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6742992 = 243592381
BaseRepresentation
bin11001101110001111010000
3110200120122110
4121232033100
53211233432
6400305320
7111212604
oct31561720
913616573
106742992
113896123
122312240
131521249
14c77504
158d2dcc
hex66e3d0

6742992 has 40 divisors (see below), whose sum is σ = 17722080. Its totient is φ = 2208640.

The previous prime is 6742969. The next prime is 6742997. The reversal of 6742992 is 2992476.

6742992 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×67429922 = 90935882224128, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 6742992.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6742997) 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, 1642 + ... + 4022.

It is an arithmetic number, because the mean of its divisors is an integer number (443052).

Almost surely, 26742992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6742992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8861040).

6742992 is an abundant number, since it is smaller than the sum of its proper divisors (10979088).

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

6742992 is a wasteful number, since it uses less digits than its factorization.

6742992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2451 (or 2445 counting only the distinct ones).

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

The square root of 6742992 is about 2596.7271708826. The cubic root of 6742992 is about 188.9227309350.

The spelling of 6742992 in words is "six million, seven hundred forty-two thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 59 118 177 236 354 472 708 944 1416 2381 2832 4762 7143 9524 14286 19048 28572 38096 57144 114288 140479 280958 421437 561916 842874 1123832 1685748 2247664 3371496 6742992