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5211890 = 251927431
BaseRepresentation
bin10011111000011011110010
3100210210100222
4103320123302
52313240030
6303413042
762205005
oct23703362
910723328
105211890
112a3a852
1218b4182
131106378
1499953c
156ce3e5
hex4f86f2

5211890 has 16 divisors (see below), whose sum is σ = 9875520. Its totient is φ = 1974960.

The previous prime is 5211881. The next prime is 5211919. The reversal of 5211890 is 981125.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13526 + ... + 13905.

It is an arithmetic number, because the mean of its divisors is an integer number (617220).

Almost surely, 25211890 is an apocalyptic number.

5211890 is a deficient number, since it is larger than the sum of its proper divisors (4663630).

5211890 is a wasteful number, since it uses less digits than its factorization.

5211890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27457.

The product of its (nonzero) digits is 720, while the sum is 26.

The square root of 5211890 is about 2282.9564165792. The cubic root of 5211890 is about 173.3797664885.

The spelling of 5211890 in words is "five million, two hundred eleven thousand, eight hundred ninety".

Divisors: 1 2 5 10 19 38 95 190 27431 54862 137155 274310 521189 1042378 2605945 5211890