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2133474 = 23779643
BaseRepresentation
bin1000001000110111100010
311000101120120
420020313202
51021232344
6113421110
724064020
oct10106742
94011516
102133474
111227a02
1286a796
13599115
143d7710
152c2219
hex208de2

2133474 has 32 divisors (see below), whose sum is σ = 4945920. Its totient is φ = 600912.

The previous prime is 2133463. The next prime is 2133487. The reversal of 2133474 is 4743312.

It is a super-2 number, since 2×21334742 = 9103422617352, which contains 22 as substring.

It is a d-powerful number, because it can be written as 221 + 1 + 35 + 39 + 4 + 7 + 47 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2997 + ... + 3639.

It is an arithmetic number, because the mean of its divisors is an integer number (154560).

22133474 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2133474, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2472960).

2133474 is an abundant number, since it is smaller than the sum of its proper divisors (2812446).

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

2133474 is a wasteful number, since it uses less digits than its factorization.

2133474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734.

The product of its digits is 2016, while the sum is 24.

The square root of 2133474 is about 1460.6416398282. The cubic root of 2133474 is about 128.7347473055.

Adding to 2133474 its reverse (4743312), we get a palindrome (6876786).

The spelling of 2133474 in words is "two million, one hundred thirty-three thousand, four hundred seventy-four".

Divisors: 1 2 3 6 7 14 21 42 79 158 237 474 553 643 1106 1286 1659 1929 3318 3858 4501 9002 13503 27006 50797 101594 152391 304782 355579 711158 1066737 2133474