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2889242 = 25397281
BaseRepresentation
bin1011000001011000011010
312102210021222
423001120122
51214423432
6141532042
733362306
oct13013032
95383258
102889242
1116a3804
12b74022
137a2115
14552d06
153c1112
hex2c161a

2889242 has 16 divisors (see below), whose sum is σ = 4477032. Its totient is φ = 1397760.

The previous prime is 2889233. The next prime is 2889247. The reversal of 2889242 is 2429882.

It can be written as a sum of positive squares in 4 ways, for example, as 2758921 + 130321 = 1661^2 + 361^2 .

It is not an unprimeable number, because it can be changed into a prime (2889247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10142 + ... + 10422.

22889242 is an apocalyptic number.

2889242 is a deficient number, since it is larger than the sum of its proper divisors (1587790).

2889242 is a wasteful number, since it uses less digits than its factorization.

2889242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433.

The product of its digits is 18432, while the sum is 35.

The square root of 2889242 is about 1699.7770442032. Note that the first 3 decimals coincide. The cubic root of 2889242 is about 142.4277586019.

The spelling of 2889242 in words is "two million, eight hundred eighty-nine thousand, two hundred forty-two".

Divisors: 1 2 53 97 106 194 281 562 5141 10282 14893 27257 29786 54514 1444621 2889242