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301742889 = 37107134287
BaseRepresentation
bin10001111111000…
…011101100101001
3210000210010102120
4101333003230221
51104221233024
645535221453
710322525610
oct2177035451
9700703376
10301742889
11145364998
1285077889
134a68b1b6
142c108877
151b755479
hex11fc3b29

301742889 has 16 divisors (see below), whose sum is σ = 464099328. Its totient is φ = 170811792.

The previous prime is 301742887. The next prime is 301742893. The reversal of 301742889 is 988247103.

It is not a de Polignac number, because 301742889 - 21 = 301742887 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 301742889.

It is not an unprimeable number, because it can be changed into a prime (301742887) 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, 64897 + ... + 69390.

It is an arithmetic number, because the mean of its divisors is an integer number (29006208).

Almost surely, 2301742889 is an apocalyptic number.

It is an amenable number.

301742889 is a deficient number, since it is larger than the sum of its proper divisors (162356439).

301742889 is a wasteful number, since it uses less digits than its factorization.

301742889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134404.

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 301742889 is about 17370.7480840636. The cubic root of 301742889 is about 670.7268335629.

The spelling of 301742889 in words is "three hundred one million, seven hundred forty-two thousand, eight hundred eighty-nine".

Divisors: 1 3 7 21 107 321 749 2247 134287 402861 940009 2820027 14368709 43106127 100580963 301742889