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4253690 = 25728681
BaseRepresentation
bin10000001110011111111010
322000002222002
4100032133322
52042104230
6231101002
751104300
oct20163772
98002862
104253690
112445951
121511762
13b5c19c
147ca270
15590545
hex40e7fa

4253690 has 24 divisors (see below), whose sum is σ = 8907732. Its totient is φ = 1458240.

The previous prime is 4253671. The next prime is 4253693. The reversal of 4253690 is 963524.

It can be written as a sum of positive squares in 2 ways, for example, as 4206601 + 47089 = 2051^2 + 217^2 .

It is a super-2 number, since 2×42536902 = 36187757232200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4253693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3851 + ... + 4830.

Almost surely, 24253690 is an apocalyptic number.

4253690 is an abundant number, since it is smaller than the sum of its proper divisors (4654042).

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

4253690 is a wasteful number, since it uses less digits than its factorization.

4253690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8702 (or 8695 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 4253690 is about 2062.4475750913. The cubic root of 4253690 is about 162.0274555915.

The spelling of 4253690 in words is "four million, two hundred fifty-three thousand, six hundred ninety".

Divisors: 1 2 5 7 10 14 35 49 70 98 245 490 8681 17362 43405 60767 86810 121534 303835 425369 607670 850738 2126845 4253690