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8078994 = 2337112967
BaseRepresentation
bin11110110100011010010010
3120012110022000
4132310122102
54032011434
6445054430
7125445630
oct36643222
916173260
108078994
114618960
122857416
13189b391
141104350
15a98b99
hex7b4692

8078994 has 128 divisors (see below), whose sum is σ = 23500800. Its totient is φ = 1995840.

The previous prime is 8078989. The next prime is 8078999. The reversal of 8078994 is 4998708.

It is an interprime number because it is at equal distance from previous prime (8078989) and next prime (8078999).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8078999) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 120549 + ... + 120615.

It is an arithmetic number, because the mean of its divisors is an integer number (183600).

Almost surely, 28078994 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8078994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11750400).

8078994 is an abundant number, since it is smaller than the sum of its proper divisors (15421806).

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

8078994 is a wasteful number, since it uses less digits than its factorization.

8078994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 8078994 is about 2842.3571204196. The cubic root of 8078994 is about 200.6561284567.

It can be divided in two parts, 807 and 8994, that added together give a square (9801 = 992).

The spelling of 8078994 in words is "eight million, seventy-eight thousand, nine hundred ninety-four".

Divisors: 1 2 3 6 7 9 11 14 18 21 22 27 29 33 42 54 58 63 66 67 77 87 99 126 134 154 174 189 198 201 203 231 261 297 319 378 402 406 462 469 522 594 603 609 638 693 737 783 938 957 1206 1218 1386 1407 1474 1566 1809 1827 1914 1943 2079 2211 2233 2814 2871 3618 3654 3886 4158 4221 4422 4466 5159 5481 5742 5829 6633 6699 8442 8613 10318 10962 11658 12663 13266 13398 13601 15477 17226 17487 19899 20097 21373 25326 27202 30954 34974 39798 40194 40803 42746 46431 52461 60291 64119 81606 92862 104922 120582 122409 128238 139293 149611 192357 244818 278586 299222 367227 384714 448833 577071 734454 897666 1154142 1346499 2692998 4039497 8078994