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334130420 = 225131285117
BaseRepresentation
bin10011111010100…
…110110011110100
3212021201120202202
4103322212303310
51141014133140
653053324032
711165030111
oct2372466364
9767646682
10334130420
11161676148
1293a96618
13542bab10
1432539908
151e501915
hex13ea6cf4

334130420 has 24 divisors (see below), whose sum is σ = 755649384. Its totient is φ = 123371136.

The previous prime is 334130413. The next prime is 334130441. The reversal of 334130420 is 24031433.

It can be written as a sum of positive squares in 4 ways, for example, as 20557156 + 313573264 = 4534^2 + 17708^2 .

It is a super-2 number, since 2×3341304202 = 223286275138752800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 334130392 and 334130401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 642299 + ... + 642818.

It is an arithmetic number, because the mean of its divisors is an integer number (31485391).

Almost surely, 2334130420 is an apocalyptic number.

It is an amenable number.

334130420 is an abundant number, since it is smaller than the sum of its proper divisors (421518964).

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

334130420 is a wasteful number, since it uses less digits than its factorization.

334130420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285139 (or 1285137 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 334130420 is about 18279.2346666921. The cubic root of 334130420 is about 693.9135034368.

Adding to 334130420 its reverse (24031433), we get a palindrome (358161853).

The spelling of 334130420 in words is "three hundred thirty-four million, one hundred thirty thousand, four hundred twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 1285117 2570234 5140468 6425585 12851170 16706521 25702340 33413042 66826084 83532605 167065210 334130420