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4249431 = 32472159
BaseRepresentation
bin10000001101011101010111
321222220010100
4100031131113
52041440211
6231025143
751056004
oct20153527
97886110
104249431
11244272a
12150b1b3
13b5a274
147c88ab
1558e156
hex40d757

4249431 has 6 divisors (see below), whose sum is σ = 6138080. Its totient is φ = 2832948.

The previous prime is 4249429. The next prime is 4249433. The reversal of 4249431 is 1349424.

It is an interprime number because it is at equal distance from previous prime (4249429) and next prime (4249433).

It is not a de Polignac number, because 4249431 - 21 = 4249429 is a prime.

It is a super-2 number, since 2×42494312 = 36115327647522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4249395 and 4249404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4249433) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 236071 + ... + 236088.

Almost surely, 24249431 is an apocalyptic number.

4249431 is a deficient number, since it is larger than the sum of its proper divisors (1888649).

4249431 is a wasteful number, since it uses less digits than its factorization.

4249431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472165 (or 472162 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 4249431 is about 2061.4148054188. The cubic root of 4249431 is about 161.9733609604.

The spelling of 4249431 in words is "four million, two hundred forty-nine thousand, four hundred thirty-one".

Divisors: 1 3 9 472159 1416477 4249431