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2995890 = 235372699
BaseRepresentation
bin1011011011011010110010
312122012120220
423123122302
51231332030
6144113510
734315242
oct13333262
95565526
102995890
111766947
121005896
1380b821
1457db22
153e2a10
hex2db6b2

2995890 has 32 divisors (see below), whose sum is σ = 7387200. Its totient is φ = 777024.

The previous prime is 2995879. The next prime is 2995891. The reversal of 2995890 is 985992.

It is not an unprimeable number, because it can be changed into a prime (2995891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240 + ... + 2459.

It is an arithmetic number, because the mean of its divisors is an integer number (230850).

22995890 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2995890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3693600).

2995890 is an abundant number, since it is smaller than the sum of its proper divisors (4391310).

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

2995890 is a wasteful number, since it uses less digits than its factorization.

2995890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2746.

The product of its (nonzero) digits is 58320, while the sum is 42.

The square root of 2995890 is about 1730.8639461263. The cubic root of 2995890 is about 144.1590642001.

The spelling of 2995890 in words is "two million, nine hundred ninety-five thousand, eight hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 37 74 111 185 222 370 555 1110 2699 5398 8097 13495 16194 26990 40485 80970 99863 199726 299589 499315 599178 998630 1497945 2995890