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4249188 = 2232118033
BaseRepresentation
bin10000001101011001100100
321222212210100
4100031121210
52041433223
6231024100
751055206
oct20153144
97885710
104249188
112442529
12150b030
13b5a118
147c8776
1558e043
hex40d664

4249188 has 18 divisors (see below), whose sum is σ = 10741094. Its totient is φ = 1416384.

The previous prime is 4249163. The next prime is 4249211. The reversal of 4249188 is 8819424.

It can be written as a sum of positive squares in only one way, i.e., 2377764 + 1871424 = 1542^2 + 1368^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 118033 = 4249188 / (4 + 2 + 4 + 9 + 1 + 8 + 8).

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 58981 + ... + 59052.

Almost surely, 24249188 is an apocalyptic number.

It is an amenable number.

4249188 is an abundant number, since it is smaller than the sum of its proper divisors (6491906).

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

4249188 is a wasteful number, since it uses less digits than its factorization.

4249188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118043 (or 118038 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 4249188 is about 2061.3558644737. The cubic root of 4249188 is about 161.9702734665.

The spelling of 4249188 in words is "four million, two hundred forty-nine thousand, one hundred eighty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 118033 236066 354099 472132 708198 1062297 1416396 2124594 4249188