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4069549237 = 13313612
BaseRepresentation
bin1111001010010000…
…0110010010110101
3101111121120112001211
43302210012102311
531313301033422
61511452321421
7202563412015
oct36244062265
911447515054
104069549237
1117a9177636
12956a73271
134cb163000
142a8699c45
1518c412577
hexf29064b5

4069549237 has 12 divisors (see below), whose sum is σ = 4411765540. Its totient is φ = 3753746880.

The previous prime is 4069549213. The next prime is 4069549241. The reversal of 4069549237 is 7329459604.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 6 ways, for example, as 3855043921 + 214505316 = 62089^2 + 14646^2 .

It is not a de Polignac number, because 4069549237 - 27 = 4069549109 is a prime.

It is a super-2 number, since 2×40695492372 = 33122461984734564338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4069549837) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2989437 + ... + 2990797.

Almost surely, 24069549237 is an apocalyptic number.

It is an amenable number.

4069549237 is a deficient number, since it is larger than the sum of its proper divisors (342216303).

4069549237 is an frugal number, since it uses more digits than its factorization.

4069549237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2761 (or 1374 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 49.

The square root of 4069549237 is about 63793.0187167844. The cubic root of 4069549237 is about 1596.5484498393.

The spelling of 4069549237 in words is "four billion, sixty-nine million, five hundred forty-nine thousand, two hundred thirty-seven".

Divisors: 1 13 169 1361 2197 17693 230009 1852321 2990117 24080173 313042249 4069549237