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4250381 = 13273203
BaseRepresentation
bin10000001101101100001101
321222221102112
4100031230031
52042003011
6231033405
751061532
oct20155415
97887375
104250381
112443413
12150b865
13b5a825
147c8d89
1558e58b
hex40db0d

4250381 has 4 divisors (see below), whose sum is σ = 4254912. Its totient is φ = 4245852.

The previous prime is 4250369. The next prime is 4250387. The reversal of 4250381 is 1830524.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4250381 is a prime.

It is a super-2 number, since 2×42503812 = 36131477290322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4250387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275 + ... + 2928.

It is an arithmetic number, because the mean of its divisors is an integer number (1063728).

Almost surely, 24250381 is an apocalyptic number.

It is an amenable number.

4250381 is a deficient number, since it is larger than the sum of its proper divisors (4531).

4250381 is a wasteful number, since it uses less digits than its factorization.

4250381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4530.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 4250381 is about 2061.6452168111. The cubic root of 4250381 is about 161.9854302804.

The spelling of 4250381 in words is "four million, two hundred fifty thousand, three hundred eighty-one".

Divisors: 1 1327 3203 4250381