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4250442 = 237175953
BaseRepresentation
bin10000001101101101001010
321222221111210
4100031231022
52042003232
6231033550
751061650
oct20155512
97887453
104250442
112443469
12150b8b6
13b5a871
147c8dd0
1558e5cc
hex40db4a

4250442 has 32 divisors (see below), whose sum is σ = 10288512. Its totient is φ = 1142784.

The previous prime is 4250431. The next prime is 4250447. The reversal of 4250442 is 2440524.

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

It is not an unprimeable number, because it can be changed into a prime (4250447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2263 + ... + 3690.

It is an arithmetic number, because the mean of its divisors is an integer number (321516).

Almost surely, 24250442 is an apocalyptic number.

4250442 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

4250442 is an abundant number, since it is smaller than the sum of its proper divisors (6038070).

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

4250442 is a wasteful number, since it uses less digits than its factorization.

4250442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5982.

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 4250442 is about 2061.6600107680. The cubic root of 4250442 is about 161.9862051963.

Adding to 4250442 its reverse (2440524), we get a palindrome (6690966).

The spelling of 4250442 in words is "four million, two hundred fifty thousand, four hundred forty-two".

Divisors: 1 2 3 6 7 14 17 21 34 42 51 102 119 238 357 714 5953 11906 17859 35718 41671 83342 101201 125013 202402 250026 303603 607206 708407 1416814 2125221 4250442