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425420000 = 255489239
BaseRepresentation
bin11001010110110…
…110010011100000
31002122111120112022
4121112312103200
51332401420000
6110114121012
713354003355
oct3126662340
91078446468
10425420000
111a9158385
12ba580168
136a1a1a15
144070062c
1527535585
hex195b64e0

425420000 has 120 divisors (see below), whose sum is σ = 1062784800. Its totient is φ = 167552000.

The previous prime is 425419993. The next prime is 425420063. The reversal of 425420000 is 24524.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1779881 + ... + 1780119.

It is an arithmetic number, because the mean of its divisors is an integer number (8856540).

Almost surely, 2425420000 is an apocalyptic number.

425420000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425420000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (531392400).

425420000 is an abundant number, since it is smaller than the sum of its proper divisors (637364800).

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

425420000 is an equidigital number, since it uses as much as digits as its factorization.

425420000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358 (or 335 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 425420000 is about 20625.7121089188. The cubic root of 425420000 is about 752.0948839080.

Adding to 425420000 its reverse (24524), we get a palindrome (425444524).

The spelling of 425420000 in words is "four hundred twenty-five million, four hundred twenty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 89 100 125 160 178 200 239 250 356 400 445 478 500 625 712 800 890 956 1000 1195 1250 1424 1780 1912 2000 2225 2390 2500 2848 3560 3824 4000 4450 4780 5000 5975 7120 7648 8900 9560 10000 11125 11950 14240 17800 19120 20000 21271 22250 23900 29875 35600 38240 42542 44500 47800 55625 59750 71200 85084 89000 95600 106355 111250 119500 149375 170168 178000 191200 212710 222500 239000 298750 340336 356000 425420 445000 478000 531775 597500 680672 850840 890000 956000 1063550 1195000 1701680 1780000 2127100 2390000 2658875 3403360 4254200 4780000 5317750 8508400 10635500 13294375 17016800 21271000 26588750 42542000 53177500 85084000 106355000 212710000 425420000