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8047242 = 233761349
BaseRepresentation
bin11110101100101010001010
3120010211202000
4132230222022
54030002432
6444251430
7125254230
oct36545212
916124660
108047242
1145a7015
122840b76
131889aa8
1410d6950
15a8e57c
hex7aca8a

8047242 has 64 divisors (see below), whose sum is σ = 20832000. Its totient is φ = 2255040.

The previous prime is 8047189. The next prime is 8047261. The reversal of 8047242 is 2427408.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22884 + ... + 23232.

It is an arithmetic number, because the mean of its divisors is an integer number (325500).

Almost surely, 28047242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8047242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10416000).

8047242 is an abundant number, since it is smaller than the sum of its proper divisors (12784758).

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

8047242 is a wasteful number, since it uses less digits than its factorization.

8047242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428 (or 422 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 8047242 is about 2836.7661165489. The cubic root of 8047242 is about 200.3929109329.

The spelling of 8047242 in words is "eight million, forty-seven thousand, two hundred forty-two".

Divisors: 1 2 3 6 7 9 14 18 21 27 42 54 61 63 122 126 183 189 349 366 378 427 549 698 854 1047 1098 1281 1647 2094 2443 2562 3141 3294 3843 4886 6282 7329 7686 9423 11529 14658 18846 21289 21987 23058 42578 43974 63867 65961 127734 131922 149023 191601 298046 383202 447069 574803 894138 1149606 1341207 2682414 4023621 8047242