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7069842 = 23613373
BaseRepresentation
bin11010111110000010010010
3111022012000000
4122332002102
53302213332
6411310430
7114043533
oct32760222
914265000
107069842
113a9974a
12244b416
131606c50
14d2068a
15949b7c
hex6be092

7069842 has 56 divisors (see below), whose sum is σ = 17168844. Its totient is φ = 2169504.

The previous prime is 7069801. The next prime is 7069847. The reversal of 7069842 is 2489607.

It can be written as a sum of positive squares in 2 ways, for example, as 6859161 + 210681 = 2619^2 + 459^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7069797 and 7069806.

It is not an unprimeable number, because it can be changed into a prime (7069847) by changing a digit.

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 27 ways as a sum of consecutive naturals, for example, 18768 + ... + 19140.

Almost surely, 27069842 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7069842, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8584422).

7069842 is an abundant number, since it is smaller than the sum of its proper divisors (10099002).

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

7069842 is a wasteful number, since it uses less digits than its factorization.

7069842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406 (or 391 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 7069842 is about 2658.9174488878. The cubic root of 7069842 is about 191.9272185079.

The spelling of 7069842 in words is "seven million, sixty-nine thousand, eight hundred forty-two".

Divisors: 1 2 3 6 9 13 18 26 27 39 54 78 81 117 162 234 243 351 373 486 702 729 746 1053 1119 1458 2106 2238 3159 3357 4849 6318 6714 9477 9698 10071 14547 18954 20142 29094 30213 43641 60426 87282 90639 130923 181278 261846 271917 392769 543834 785538 1178307 2356614 3534921 7069842