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2881042 = 23738933
BaseRepresentation
bin1010111111011000010010
312102101001021
422333120102
51214143132
6141430054
733326353
oct12773022
95371037
102881042
11169862a
12b6b32a
1379b478
1454dd2a
153bd997
hex2bf612

2881042 has 8 divisors (see below), whose sum is σ = 4438476. Its totient is φ = 1401552.

The previous prime is 2881031. The next prime is 2881057. The reversal of 2881042 is 2401882.

It can be written as a sum of positive squares in 2 ways, for example, as 2819041 + 62001 = 1679^2 + 249^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 2880998 and 2881016.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19393 + ... + 19540.

22881042 is an apocalyptic number.

2881042 is a deficient number, since it is larger than the sum of its proper divisors (1557434).

2881042 is a wasteful number, since it uses less digits than its factorization.

2881042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38972.

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 2881042 is about 1697.3632492781. The cubic root of 2881042 is about 142.2928888274.

The spelling of 2881042 in words is "two million, eight hundred eighty-one thousand, forty-two".

Divisors: 1 2 37 74 38933 77866 1440521 2881042