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4729869 = 32525541
BaseRepresentation
bin10010000010110000001101
322220022011100
4102002300031
52202323434
6245213313
755126464
oct22026015
98808140
104729869
112740691
121701239
13c97b51
148b19db
15636699
hex482c0d

4729869 has 6 divisors (see below), whose sum is σ = 6832046. Its totient is φ = 3153240.

The previous prime is 4729867. The next prime is 4729873. The reversal of 4729869 is 9689274.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3802500 + 927369 = 1950^2 + 963^2 .

It is not a de Polignac number, because 4729869 - 21 = 4729867 is a prime.

It is a super-2 number, since 2×47298692 = 44743321514322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4729867) 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, 262762 + ... + 262779.

Almost surely, 24729869 is an apocalyptic number.

It is an amenable number.

4729869 is a deficient number, since it is larger than the sum of its proper divisors (2102177).

4729869 is a wasteful number, since it uses less digits than its factorization.

4729869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525547 (or 525544 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 4729869 is about 2174.8261999525. The cubic root of 4729869 is about 167.8609606409.

The spelling of 4729869 in words is "four million, seven hundred twenty-nine thousand, eight hundred sixty-nine".

Divisors: 1 3 9 525541 1576623 4729869