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4255230 = 235723881
BaseRepresentation
bin10000001110110111111110
322000012002010
4100032313332
52042131410
6231112050
751111630
oct20166776
98005063
104255230
112447021
121512626
13b5cab5
147caa50
15590c20
hex40edfe

4255230 has 64 divisors (see below), whose sum is σ = 12192768. Its totient is φ = 929280.

The previous prime is 4255213. The next prime is 4255249. The reversal of 4255230 is 325524.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 4255197 and 4255206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4390 + ... + 5270.

It is an arithmetic number, because the mean of its divisors is an integer number (190512).

Almost surely, 24255230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4255230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6096384).

4255230 is an abundant number, since it is smaller than the sum of its proper divisors (7937538).

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

4255230 is a wasteful number, since it uses less digits than its factorization.

4255230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 4255230 is about 2062.8208841293. The cubic root of 4255230 is about 162.0470066303.

The spelling of 4255230 in words is "four million, two hundred fifty-five thousand, two hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 23 30 35 42 46 69 70 105 115 138 161 210 230 322 345 483 690 805 881 966 1610 1762 2415 2643 4405 4830 5286 6167 8810 12334 13215 18501 20263 26430 30835 37002 40526 60789 61670 92505 101315 121578 141841 185010 202630 283682 303945 425523 607890 709205 851046 1418410 2127615 4255230