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4425281 = 73120393
BaseRepresentation
bin10000111000011001000001
322022211100022
4100320121001
52113102111
6234503225
752420460
oct20703101
98284308
104425281
112552863
121594b15
13bbc313
148329d7
155c62db
hex438641

4425281 has 8 divisors (see below), whose sum is σ = 5220864. Its totient is φ = 3670560.

The previous prime is 4425257. The next prime is 4425293. The reversal of 4425281 is 1825244.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4425281 - 222 = 230977 is a prime.

It is a super-2 number, since 2×44252812 = 39166223857922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4425281.

It is not an unprimeable number, because it can be changed into a prime (4425221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9980 + ... + 10413.

It is an arithmetic number, because the mean of its divisors is an integer number (652608).

Almost surely, 24425281 is an apocalyptic number.

It is an amenable number.

4425281 is a deficient number, since it is larger than the sum of its proper divisors (795583).

4425281 is a wasteful number, since it uses less digits than its factorization.

4425281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20431.

The product of its digits is 2560, while the sum is 26.

The square root of 4425281 is about 2103.6351870037. The cubic root of 4425281 is about 164.1774922502.

The spelling of 4425281 in words is "four million, four hundred twenty-five thousand, two hundred eighty-one".

Divisors: 1 7 31 217 20393 142751 632183 4425281