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2874155 = 51135087
BaseRepresentation
bin1010111101101100101011
312102000121012
422331230223
51213433110
6141334135
733300314
oct12755453
95360535
102874155
111693439
12b6734b
137982ab
1454b60b
153bb905
hex2bdb2b

2874155 has 8 divisors (see below), whose sum is σ = 3480192. Its totient is φ = 2278528.

The previous prime is 2874121. The next prime is 2874169. The reversal of 2874155 is 5514782.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2874155 is a prime.

It is a Duffinian number.

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, 1979 + ... + 3108.

It is an arithmetic number, because the mean of its divisors is an integer number (435024).

22874155 is an apocalyptic number.

2874155 is a deficient number, since it is larger than the sum of its proper divisors (606037).

2874155 is a wasteful number, since it uses less digits than its factorization.

2874155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5205.

The product of its digits is 11200, while the sum is 32.

The square root of 2874155 is about 1695.3333005636. Note that the first 4 decimals coincide. The cubic root of 2874155 is about 142.1794168009.

The spelling of 2874155 in words is "two million, eight hundred seventy-four thousand, one hundred fifty-five".

Divisors: 1 5 113 565 5087 25435 574831 2874155