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2930742 = 23479229
BaseRepresentation
bin1011001011100000110110
312111220020000
423023200312
51222240432
6142452130
733624303
oct13134066
95456200
102930742
111721a01
12b94046
137b7c89
145640aa
153cd57c
hex2cb836

2930742 has 40 divisors (see below), whose sum is σ = 6679200. Its totient is φ = 960336.

The previous prime is 2930737. The next prime is 2930743. The reversal of 2930742 is 2470392.

2930742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2930743) 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 19 ways as a sum of consecutive naturals, for example, 12684 + ... + 12912.

It is an arithmetic number, because the mean of its divisors is an integer number (166980).

22930742 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2930742, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3339600).

2930742 is an abundant number, since it is smaller than the sum of its proper divisors (3748458).

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

2930742 is a wasteful number, since it uses less digits than its factorization.

2930742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322 (or 313 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 2930742 is about 1711.9410036564. The cubic root of 2930742 is about 143.1064459209.

The spelling of 2930742 in words is "two million, nine hundred thirty thousand, seven hundred forty-two".

Divisors: 1 2 3 6 9 18 27 54 79 81 158 162 229 237 458 474 687 711 1374 1422 2061 2133 4122 4266 6183 6399 12366 12798 18091 18549 36182 37098 54273 108546 162819 325638 488457 976914 1465371 2930742