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2874156 = 2231773193
BaseRepresentation
bin1010111101101100101100
312102000121020
422331230230
51213433111
6141334140
733300315
oct12755454
95360536
102874156
11169343a
12b67350
137982ac
1454b60c
153bb906
hex2bdb2c

2874156 has 48 divisors (see below), whose sum is σ = 7235424. Its totient is φ = 884736.

The previous prime is 2874121. The next prime is 2874169. The reversal of 2874156 is 6514782.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14796 + ... + 14988.

It is an arithmetic number, because the mean of its divisors is an integer number (150738).

22874156 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 2874156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3617712).

2874156 is an abundant number, since it is smaller than the sum of its proper divisors (4361268).

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

2874156 is a wasteful number, since it uses less digits than its factorization.

2874156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290 (or 288 counting only the distinct ones).

The product of its digits is 13440, while the sum is 33.

The square root of 2874156 is about 1695.3335954909. Note that the first 3 decimals coincide. The cubic root of 2874156 is about 142.1794332903.

The spelling of 2874156 in words is "two million, eight hundred seventy-four thousand, one hundred fifty-six".

Divisors: 1 2 3 4 6 12 17 34 51 68 73 102 146 193 204 219 292 386 438 579 772 876 1158 1241 2316 2482 3281 3723 4964 6562 7446 9843 13124 14089 14892 19686 28178 39372 42267 56356 84534 169068 239513 479026 718539 958052 1437078 2874156