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8343426 = 2372133759
BaseRepresentation
bin11111110100111110000010
3120200220000210
4133310332002
54113442201
6454454550
7130626600
oct37647602
916626023
108343426
1147895a3
122964456
131961850
141172870
15aec1d6
hex7f4f82

8343426 has 96 divisors (see below), whose sum is σ = 21833280. Its totient is φ = 2104704.

The previous prime is 8343407. The next prime is 8343431. The reversal of 8343426 is 6243438.

It is a super-2 number, since 2×83434262 = 139225514834952, which contains 22 as substring.

Its product of digits (13824) is a multiple of the sum of its prime factors (128).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8343393 and 8343402.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 141385 + ... + 141443.

It is an arithmetic number, because the mean of its divisors is an integer number (227430).

Almost surely, 28343426 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8343426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10916640).

8343426 is an abundant number, since it is smaller than the sum of its proper divisors (13489854).

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

8343426 is a wasteful number, since it uses less digits than its factorization.

8343426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128 (or 121 counting only the distinct ones).

The product of its digits is 13824, while the sum is 30.

The square root of 8343426 is about 2888.4989181234. The cubic root of 8343426 is about 202.8218810154.

The spelling of 8343426 in words is "eight million, three hundred forty-three thousand, four hundred twenty-six".

Divisors: 1 2 3 6 7 13 14 21 26 37 39 42 49 59 74 78 91 98 111 118 147 177 182 222 259 273 294 354 413 481 518 546 637 767 777 826 962 1239 1274 1443 1534 1554 1813 1911 2183 2301 2478 2886 2891 3367 3626 3822 4366 4602 5369 5439 5782 6549 6734 8673 10101 10738 10878 13098 15281 16107 17346 20202 23569 28379 30562 32214 37583 45843 47138 56758 70707 75166 85137 91686 106967 112749 141414 170274 198653 213934 225498 320901 397306 595959 641802 1191918 1390571 2781142 4171713 8343426