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2988030 = 235103967
BaseRepresentation
bin1011011001011111111110
312121210210210
423121133332
51231104110
6144013250
734253313
oct13313776
95553723
102988030
111760a51
121001226
13808086
1457ad0a
153e0520
hex2d97fe

2988030 has 32 divisors (see below), whose sum is σ = 7248384. Its totient is φ = 788256.

The previous prime is 2988023. The next prime is 2988049. The reversal of 2988030 is 308892.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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, 2607 + ... + 3573.

It is an arithmetic number, because the mean of its divisors is an integer number (226512).

22988030 is an apocalyptic number.

2988030 is an abundant number, since it is smaller than the sum of its proper divisors (4260354).

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

2988030 is a wasteful number, since it uses less digits than its factorization.

2988030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 2988030 is about 1728.5919125115. The cubic root of 2988030 is about 144.0328821513.

The spelling of 2988030 in words is "two million, nine hundred eighty-eight thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 103 206 309 515 618 967 1030 1545 1934 2901 3090 4835 5802 9670 14505 29010 99601 199202 298803 498005 597606 996010 1494015 2988030