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345142000 = 2453789277
BaseRepresentation
bin10100100100100…
…111001011110000
3220001110000211001
4110210213023300
51201324021000
654125331344
711360441620
oct2444471360
9801400731
10345142000
11167907325
1297706b54
1356674c48
1433ba4880
152047946a
hex149272f0

345142000 has 160 divisors (see below), whose sum is σ = 967973760. Its totient is φ = 116582400.

The previous prime is 345141983. The next prime is 345142081. The reversal of 345142000 is 241543.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1245862 + ... + 1246138.

It is an arithmetic number, because the mean of its divisors is an integer number (6049836).

Almost surely, 2345142000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 345142000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (483986880).

345142000 is an abundant number, since it is smaller than the sum of its proper divisors (622831760).

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

345142000 is a wasteful number, since it uses less digits than its factorization.

345142000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396 (or 380 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 345142000 is about 18577.9977392614. The cubic root of 345142000 is about 701.4541201009.

Adding to 345142000 its reverse (241543), we get a palindrome (345383543).

It can be divided in two parts, 3451 and 42000, that added together give a triangular number (45451 = T301).

The spelling of 345142000 in words is "three hundred forty-five million, one hundred forty-two thousand".

Divisors: 1 2 4 5 7 8 10 14 16 20 25 28 35 40 50 56 70 80 89 100 112 125 140 175 178 200 250 277 280 350 356 400 445 500 554 560 623 700 712 875 890 1000 1108 1246 1385 1400 1424 1750 1780 1939 2000 2216 2225 2492 2770 2800 3115 3500 3560 3878 4432 4450 4984 5540 6230 6925 7000 7120 7756 8900 9695 9968 11080 11125 12460 13850 14000 15512 15575 17800 19390 22160 22250 24653 24920 27700 31024 31150 34625 35600 38780 44500 48475 49306 49840 55400 62300 69250 77560 77875 89000 96950 98612 110800 123265 124600 138500 155120 155750 172571 178000 193900 197224 242375 246530 249200 277000 311500 345142 387800 394448 484750 493060 554000 616325 623000 690284 775600 862855 969500 986120 1232650 1246000 1380568 1725710 1939000 1972240 2465300 2761136 3081625 3451420 3878000 4314275 4930600 6163250 6902840 8628550 9861200 12326500 13805680 17257100 21571375 24653000 34514200 43142750 49306000 69028400 86285500 172571000 345142000