Search a number
-
+
2430291 = 367107113
BaseRepresentation
bin1001010001010101010011
311120110201210
421101111103
51110232131
6124031203
726441253
oct11212523
94513653
102430291
11140aa06
12992503
13671256
14473963
15330146
hex251553

2430291 has 16 divisors (see below), whose sum is σ = 3348864. Its totient is φ = 1567104.

The previous prime is 2430289. The next prime is 2430293. The reversal of 2430291 is 1920342.

It is an interprime number because it is at equal distance from previous prime (2430289) and next prime (2430293).

It is not a de Polignac number, because 2430291 - 21 = 2430289 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2430293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21451 + ... + 21563.

It is an arithmetic number, because the mean of its divisors is an integer number (209304).

22430291 is an apocalyptic number.

2430291 is a deficient number, since it is larger than the sum of its proper divisors (918573).

2430291 is a wasteful number, since it uses less digits than its factorization.

2430291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 2430291 is about 1558.9390623113. The cubic root of 2430291 is about 134.4475088030.

The spelling of 2430291 in words is "two million, four hundred thirty thousand, two hundred ninety-one".

Divisors: 1 3 67 107 113 201 321 339 7169 7571 12091 21507 22713 36273 810097 2430291