Search a number
-
+
305142614 = 27101215801
BaseRepresentation
bin10010001100000…
…001101101010110
3210021011211222022
4102030001231112
51111104030424
650140133142
710363445420
oct2214015526
9707154868
10305142614
11147277187
12862371b2
134b2ab77a
142c751810
151bbc795e
hex12301b56

305142614 has 16 divisors (see below), whose sum is σ = 528283296. Its totient is φ = 129480000.

The previous prime is 305142583. The next prime is 305142619. The reversal of 305142614 is 416241503.

It is a super-2 number, since 2×3051426142 = 186224029757505992, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305142619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106487 + ... + 109314.

It is an arithmetic number, because the mean of its divisors is an integer number (33017706).

Almost surely, 2305142614 is an apocalyptic number.

305142614 is a deficient number, since it is larger than the sum of its proper divisors (223140682).

305142614 is a wasteful number, since it uses less digits than its factorization.

305142614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215911.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 305142614 is about 17468.3317463346. The cubic root of 305142614 is about 673.2364492066.

The spelling of 305142614 in words is "three hundred five million, one hundred forty-two thousand, six hundred fourteen".

Divisors: 1 2 7 14 101 202 707 1414 215801 431602 1510607 3021214 21795901 43591802 152571307 305142614