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5431885 = 54126497
BaseRepresentation
bin10100101110001001001101
3101012222010221
4110232021031
52342310020
6312231341
764112254
oct24561115
911188127
105431885
113080068
12199b551
131182544
14a1579b
157246aa
hex52e24d

5431885 has 8 divisors (see below), whose sum is σ = 6677496. Its totient is φ = 4239360.

The previous prime is 5431873. The next prime is 5431939. The reversal of 5431885 is 5881345.

It can be written as a sum of positive squares in 4 ways, for example, as 427716 + 5004169 = 654^2 + 2237^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5431885 - 221 = 3334733 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5431885.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13044 + ... + 13453.

It is an arithmetic number, because the mean of its divisors is an integer number (834687).

Almost surely, 25431885 is an apocalyptic number.

It is an amenable number.

5431885 is a deficient number, since it is larger than the sum of its proper divisors (1245611).

5431885 is a wasteful number, since it uses less digits than its factorization.

5431885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26543.

The product of its digits is 19200, while the sum is 34.

The square root of 5431885 is about 2330.6404699138. The cubic root of 5431885 is about 175.7856917166.

The spelling of 5431885 in words is "five million, four hundred thirty-one thousand, eight hundred eighty-five".

Divisors: 1 5 41 205 26497 132485 1086377 5431885