Search a number
-
+
2790930 = 235313001
BaseRepresentation
bin1010101001011000010010
312020210102210
422221120102
51203302210
6135452550
732502552
oct12513022
95223383
102790930
11163695a
12b27156
1376944c
14529162
153a1e20
hex2a9612

2790930 has 32 divisors (see below), whose sum is σ = 6916608. Its totient is φ = 720000.

The previous prime is 2790923. The next prime is 2790943. The reversal of 2790930 is 390972.

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, 571 + ... + 2430.

It is an arithmetic number, because the mean of its divisors is an integer number (216144).

22790930 is an apocalyptic number.

2790930 is an abundant number, since it is smaller than the sum of its proper divisors (4125678).

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

2790930 is a wasteful number, since it uses less digits than its factorization.

2790930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3042.

The product of its (nonzero) digits is 3402, while the sum is 30.

The square root of 2790930 is about 1670.6076738720. The cubic root of 2790930 is about 140.7936219240.

The spelling of 2790930 in words is "two million, seven hundred ninety thousand, nine hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 31 62 93 155 186 310 465 930 3001 6002 9003 15005 18006 30010 45015 90030 93031 186062 279093 465155 558186 930310 1395465 2790930