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2930291 = 71322477
BaseRepresentation
bin1011001011011001110011
312111212121022
423023121303
51222232131
6142450055
733623060
oct13133163
95455538
102930291
111721631
12b9392b
137b7a00
14563c67
153cd37b
hex2cb673

2930291 has 12 divisors (see below), whose sum is σ = 3627792. Its totient is φ = 2317536.

The previous prime is 2930287. The next prime is 2930299. The reversal of 2930291 is 1920392.

2930291 = 252 + 262 + ... + 2062.

It is not a de Polignac number, because 2930291 - 22 = 2930287 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2930291.

It is not an unprimeable number, because it can be changed into a prime (2930299) 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 11 ways as a sum of consecutive naturals, for example, 56 + ... + 2421.

It is an arithmetic number, because the mean of its divisors is an integer number (302316).

22930291 is an apocalyptic number.

2930291 is a deficient number, since it is larger than the sum of its proper divisors (697501).

2930291 is a wasteful number, since it uses less digits than its factorization.

2930291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2510 (or 2497 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 2930291 is about 1711.8092767595. The cubic root of 2930291 is about 143.0991048541.

The spelling of 2930291 in words is "two million, nine hundred thirty thousand, two hundred ninety-one".

Divisors: 1 7 13 91 169 1183 2477 17339 32201 225407 418613 2930291