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2730988 = 2213291811
BaseRepresentation
bin1010011010101111101100
312010202012201
422122233230
51144342423
6134311244
732133031
oct12325754
95122181
102730988
1115a5917
12ab8524
13748090
14511388
1538e2ad
hex29abec

2730988 has 24 divisors (see below), whose sum is σ = 5327280. Its totient is φ = 1216320.

The previous prime is 2730983. The next prime is 2730989. The reversal of 2730988 is 8890372.

It is a super-4 number, since 4×27309884 (a number of 27 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (2730983) 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 7 ways as a sum of consecutive naturals, for example, 603 + ... + 2413.

It is an arithmetic number, because the mean of its divisors is an integer number (221970).

22730988 is an apocalyptic number.

It is an amenable number.

2730988 is a deficient number, since it is larger than the sum of its proper divisors (2596292).

2730988 is a wasteful number, since it uses less digits than its factorization.

2730988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1857 (or 1855 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 2730988 is about 1652.5701195411. The cubic root of 2730988 is about 139.7783567702.

The spelling of 2730988 in words is "two million, seven hundred thirty thousand, nine hundred eighty-eight".

Divisors: 1 2 4 13 26 29 52 58 116 377 754 1508 1811 3622 7244 23543 47086 52519 94172 105038 210076 682747 1365494 2730988