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4249251 = 32472139
BaseRepresentation
bin10000001101011010100011
321222212212200
4100031122203
52041434001
6231024243
751055326
oct20153243
97885780
104249251
112442586
12150b083
13b5a166
147c87bd
1558e086
hex40d6a3

4249251 has 6 divisors (see below), whose sum is σ = 6137820. Its totient is φ = 2832828.

The previous prime is 4249249. The next prime is 4249253. The reversal of 4249251 is 1529424.

It is an interprime number because it is at equal distance from previous prime (4249249) and next prime (4249253).

It is not a de Polignac number, because 4249251 - 21 = 4249249 is a prime.

It is a super-2 number, since 2×42492512 = 36112268122002, which contains 22 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4249253) 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, 236061 + ... + 236078.

It is an arithmetic number, because the mean of its divisors is an integer number (1022970).

Almost surely, 24249251 is an apocalyptic number.

4249251 is a deficient number, since it is larger than the sum of its proper divisors (1888569).

4249251 is a wasteful number, since it uses less digits than its factorization.

4249251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472145 (or 472142 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 4249251 is about 2061.3711456213. The cubic root of 4249251 is about 161.9710739392.

The spelling of 4249251 in words is "four million, two hundred forty-nine thousand, two hundred fifty-one".

Divisors: 1 3 9 472139 1416417 4249251