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5208869 = 19247307
BaseRepresentation
bin10011110111101100100101
3100210122020002
4103313230211
52313140434
6303351045
762163131
oct23675445
910718202
105208869
112a38556
1218b2485
131104b93
149983c1
156cd57e
hex4f7b25

5208869 has 12 divisors (see below), whose sum is σ = 5632704. Its totient is φ = 4813992.

The previous prime is 5208859. The next prime is 5208871. The reversal of 5208869 is 9688025.

It is a de Polignac number, because none of the positive numbers 2k-5208869 is a prime.

It is a super-2 number, since 2×52088692 = 54264632518322, 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 (5208809) 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, 16814 + ... + 17120.

It is an arithmetic number, because the mean of its divisors is an integer number (469392).

Almost surely, 25208869 is an apocalyptic number.

It is an amenable number.

5208869 is a deficient number, since it is larger than the sum of its proper divisors (423835).

5208869 is a wasteful number, since it uses less digits than its factorization.

5208869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392 (or 373 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 5208869 is about 2282.2946786075. The cubic root of 5208869 is about 173.3462609523.

The spelling of 5208869 in words is "five million, two hundred eight thousand, eight hundred sixty-nine".

Divisors: 1 19 47 307 361 893 5833 14429 16967 110827 274151 5208869