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2794155 = 357132389
BaseRepresentation
bin1010101010001010101011
312020221212020
422222022223
51203403110
6135515523
732515140
oct12521253
95227766
102794155
111639321
12b28ba3
1376aa60
1452a3c7
153a2d70
hex2aa2ab

2794155 has 64 divisors (see below), whose sum is σ = 5806080. Its totient is φ = 1115136.

The previous prime is 2794147. The next prime is 2794163. The reversal of 2794155 is 5514972.

2794155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

2794155 is a nontrivial binomial coefficient, being equal to C(92, 4).

It is an interprime number because it is at equal distance from previous prime (2794147) and next prime (2794163).

It is not a de Polignac number, because 2794155 - 23 = 2794147 is a prime.

Its product of digits (12600) is a multiple of the sum of its prime divisors (140).

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 31351 + ... + 31439.

It is an arithmetic number, because the mean of its divisors is an integer number (90720).

22794155 is an apocalyptic number.

2794155 is the 1365-th pentagonal number.

2794155 is an abundant number, since it is smaller than the sum of its proper divisors (3011925).

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

2794155 is a wasteful number, since it uses less digits than its factorization.

2794155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140.

The product of its digits is 12600, while the sum is 33.

The square root of 2794155 is about 1671.5726128410. The cubic root of 2794155 is about 140.8478314109.

The spelling of 2794155 in words is "two million, seven hundred ninety-four thousand, one hundred fifty-five".

Divisors: 1 3 5 7 13 15 21 23 35 39 65 69 89 91 105 115 161 195 267 273 299 345 445 455 483 623 805 897 1157 1335 1365 1495 1869 2047 2093 2415 3115 3471 4485 5785 6141 6279 8099 9345 10235 10465 14329 17355 24297 26611 30705 31395 40495 42987 71645 79833 121485 133055 186277 214935 399165 558831 931385 2794155