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4253842 = 217125113
BaseRepresentation
bin10000001110100010010010
322000010011201
4100032202102
52042110332
6231101414
751104605
oct20164222
98003151
104253842
112445a7a
12151186a
13b5c288
147ca33c
155905e7
hex40e892

4253842 has 8 divisors (see below), whose sum is σ = 6756156. Its totient is φ = 2001792.

The previous prime is 4253839. The next prime is 4253849. The reversal of 4253842 is 2483524.

It can be written as a sum of positive squares in 2 ways, for example, as 4124961 + 128881 = 2031^2 + 359^2 .

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

It is an Ulam number.

It is a d-powerful number, because it can be written as 42 + 27 + 52 + 310 + 82 + 44 + 222 .

It is a self number, because there is not a number n which added to its sum of digits gives 4253842.

It is not an unprimeable number, because it can be changed into a prime (4253849) 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, 62523 + ... + 62590.

Almost surely, 24253842 is an apocalyptic number.

4253842 is a deficient number, since it is larger than the sum of its proper divisors (2502314).

4253842 is a wasteful number, since it uses less digits than its factorization.

4253842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125132.

The product of its digits is 7680, while the sum is 28.

The square root of 4253842 is about 2062.4844241836. The cubic root of 4253842 is about 162.0293855143.

The spelling of 4253842 in words is "four million, two hundred fifty-three thousand, eight hundred forty-two".

Divisors: 1 2 17 34 125113 250226 2126921 4253842