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5212140 = 223586869
BaseRepresentation
bin10011111000011111101100
3100210210201020
4103320133230
52313242030
6303414140
762205513
oct23703754
910723636
105212140
112a3aa5a
1218b4350
13110650b
1499967a
156ce510
hex4f87ec

5212140 has 24 divisors (see below), whose sum is σ = 14594160. Its totient is φ = 1389888.

The previous prime is 5212139. The next prime is 5212157. The reversal of 5212140 is 412125.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43375 + ... + 43494.

It is an arithmetic number, because the mean of its divisors is an integer number (608090).

Almost surely, 25212140 is an apocalyptic number.

It is an amenable number.

5212140 is an abundant number, since it is smaller than the sum of its proper divisors (9382020).

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

5212140 is a wasteful number, since it uses less digits than its factorization.

5212140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86881 (or 86879 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 5212140 is about 2283.0111694865. The cubic root of 5212140 is about 173.3825386274.

Subtracting from 5212140 its sum of digits (15), we obtain a palindrome (5212125).

Adding to 5212140 its reverse (412125), we get a palindrome (5624265).

The spelling of 5212140 in words is "five million, two hundred twelve thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 86869 173738 260607 347476 434345 521214 868690 1042428 1303035 1737380 2606070 5212140