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7141380 = 2235412903
BaseRepresentation
bin11011001111100000000100
3111102211010120
4123033200010
53312011010
6413021540
7114462231
oct33174004
914384116
107141380
114038474
1224848b0
13163068c
14d3c788
15960e70
hex6cf804

7141380 has 48 divisors (see below), whose sum is σ = 20490624. Its totient is φ = 1857280.

The previous prime is 7141369. The next prime is 7141391. The reversal of 7141380 is 831417.

It is an interprime number because it is at equal distance from previous prime (7141369) and next prime (7141391).

It is a self number, because there is not a number n which added to its sum of digits gives 7141380.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1009 + ... + 3911.

It is an arithmetic number, because the mean of its divisors is an integer number (426888).

Almost surely, 27141380 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7141380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10245312).

7141380 is an abundant number, since it is smaller than the sum of its proper divisors (13349244).

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

7141380 is a wasteful number, since it uses less digits than its factorization.

7141380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2956 (or 2954 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 7141380 is about 2672.3360567114. The cubic root of 7141380 is about 192.5724020674.

Adding to 7141380 its reverse (831417), we get a palindrome (7972797).

The spelling of 7141380 in words is "seven million, one hundred forty-one thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 41 60 82 123 164 205 246 410 492 615 820 1230 2460 2903 5806 8709 11612 14515 17418 29030 34836 43545 58060 87090 119023 174180 238046 357069 476092 595115 714138 1190230 1428276 1785345 2380460 3570690 7141380