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425320 = 2357331
BaseRepresentation
bin1100111110101101000
3210121102121
41213311220
5102102240
613041024
73421000
oct1476550
9717377
10425320
11270605
12186174
1311b78c
14b1000
158604a
hex67d68

425320 has 64 divisors (see below), whose sum is σ = 1152000. Its totient is φ = 141120.

The previous prime is 425317. The next prime is 425329. The reversal of 425320 is 23524.

Adding to 425320 its reverse (23524), we get a palindrome (448844).

It is a nialpdrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 425294 and 425303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13705 + ... + 13735.

It is an arithmetic number, because the mean of its divisors is an integer number (18000).

2425320 is an apocalyptic number.

425320 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 425320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (576000).

425320 is an abundant number, since it is smaller than the sum of its proper divisors (726680).

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

425320 is a wasteful number, since it uses less digits than its factorization.

425320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63 (or 45 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 425320 is about 652.1656231357. The cubic root of 425320 is about 75.2035949692.

The spelling of 425320 in words is "four hundred twenty-five thousand, three hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 20 28 31 35 40 49 56 62 70 98 124 140 155 196 217 245 248 280 310 343 392 434 490 620 686 868 980 1085 1240 1372 1519 1715 1736 1960 2170 2744 3038 3430 4340 6076 6860 7595 8680 10633 12152 13720 15190 21266 30380 42532 53165 60760 85064 106330 212660 425320