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2894138 = 213157709
BaseRepresentation
bin1011000010100100111010
312110001000022
423002210322
51220103023
6142010442
733412502
oct13024472
95401008
102894138
1116a7455
12b76a22
137a4410
14554a02
153c27c8
hex2c293a

2894138 has 16 divisors (see below), whose sum is σ = 4711560. Its totient is φ = 1325376.

The previous prime is 2894123. The next prime is 2894153. The reversal of 2894138 is 8314982.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2894123) and next prime (2894153).

It can be written as a sum of positive squares in 4 ways, for example, as 1117249 + 1776889 = 1057^2 + 1333^2 .

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 2894098 and 2894107.

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, 3728 + ... + 4436.

22894138 is an apocalyptic number.

2894138 is a deficient number, since it is larger than the sum of its proper divisors (1817422).

2894138 is a wasteful number, since it uses less digits than its factorization.

2894138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881.

The product of its digits is 13824, while the sum is 35.

The square root of 2894138 is about 1701.2166234786. The cubic root of 2894138 is about 142.5081640957.

The spelling of 2894138 in words is "two million, eight hundred ninety-four thousand, one hundred thirty-eight".

Divisors: 1 2 13 26 157 314 709 1418 2041 4082 9217 18434 111313 222626 1447069 2894138