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6923430 = 2325431789
BaseRepresentation
bin11010011010010010100110
3111000202011100
4122122102212
53233022210
6404220530
7112563633
oct32322246
914022140
106923430
1139a9748
12239a746
131585407
14cc318a
1591b5c0
hex69a4a6

6923430 has 48 divisors (see below), whose sum is σ = 18429840. Its totient is φ = 1802304.

The previous prime is 6923419. The next prime is 6923459. The reversal of 6923430 is 343296.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 6923394 and 6923403.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 2976 + ... + 4764.

It is an arithmetic number, because the mean of its divisors is an integer number (383955).

Almost surely, 26923430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6923430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9214920).

6923430 is an abundant number, since it is smaller than the sum of its proper divisors (11506410).

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

6923430 is a wasteful number, since it uses less digits than its factorization.

6923430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1845 (or 1842 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 6923430 is about 2631.2411520041. The cubic root of 6923430 is about 190.5930683771.

The spelling of 6923430 in words is "six million, nine hundred twenty-three thousand, four hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 43 45 86 90 129 215 258 387 430 645 774 1290 1789 1935 3578 3870 5367 8945 10734 16101 17890 26835 32202 53670 76927 80505 153854 161010 230781 384635 461562 692343 769270 1153905 1384686 2307810 3461715 6923430