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2988340 = 225149417
BaseRepresentation
bin1011011001100100110100
312121211020021
423121210310
51231111330
6144014524
734254235
oct13314464
95554207
102988340
111761203
121001444
13808264
1457b08c
153e067a
hex2d9934

2988340 has 12 divisors (see below), whose sum is σ = 6275556. Its totient is φ = 1195328.

The previous prime is 2988331. The next prime is 2988341. The reversal of 2988340 is 438892.

2988340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1860496 + 1127844 = 1364^2 + 1062^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2988296 and 2988305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2988341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74689 + ... + 74728.

It is an arithmetic number, because the mean of its divisors is an integer number (522963).

22988340 is an apocalyptic number.

2988340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2988340 is an abundant number, since it is smaller than the sum of its proper divisors (3287216).

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

2988340 is a wasteful number, since it uses less digits than its factorization.

2988340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149426 (or 149424 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 2988340 is about 1728.6815785448. The cubic root of 2988340 is about 144.0378629859.

The spelling of 2988340 in words is "two million, nine hundred eighty-eight thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 149417 298834 597668 747085 1494170 2988340