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301431030 = 23522744263
BaseRepresentation
bin10001111101110…
…111100011110110
3210000012021122020
4101331313203312
51104131243110
645524414010
710320056445
oct2175674366
9700167566
10301431030
1114517165a
1284b47306
134a5ac274
142c066d5c
151b6e2d70
hex11f778f6

301431030 has 32 divisors (see below), whose sum is σ = 726637824. Its totient is φ = 80025696.

The previous prime is 301431007. The next prime is 301431037. The reversal of 301431030 is 30134103.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (301431037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15322 + ... + 28941.

It is an arithmetic number, because the mean of its divisors is an integer number (22707432).

Almost surely, 2301431030 is an apocalyptic number.

301431030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

301431030 is an abundant number, since it is smaller than the sum of its proper divisors (425206794).

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

301431030 is a wasteful number, since it uses less digits than its factorization.

301431030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44500.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 301431030 is about 17361.7692070826. The cubic root of 301431030 is about 670.4956827937.

Adding to 301431030 its reverse (30134103), we get a palindrome (331565133).

The spelling of 301431030 in words is "three hundred one million, four hundred thirty-one thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 227 454 681 1135 1362 2270 3405 6810 44263 88526 132789 221315 265578 442630 663945 1327890 10047701 20095402 30143103 50238505 60286206 100477010 150715515 301431030