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5342781 = 319671399
BaseRepresentation
bin10100011000011000111101
3101001102220210
4110120120331
52331432111
6310303033
763261423
oct24303075
911042823
105342781
11301a124
121957a79
131150b12
149d1113
157080a6
hex51863d

5342781 has 16 divisors (see below), whose sum is σ = 7616000. Its totient is φ = 3321648.

The previous prime is 5342761. The next prime is 5342783. The reversal of 5342781 is 1872435.

It is not a de Polignac number, because 5342781 - 25 = 5342749 is a prime.

It is a super-2 number, since 2×53427812 = 57090617627922, which contains 22 as substring.

It is a Duffinian number.

5342781 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5342783) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3120 + ... + 4518.

It is an arithmetic number, because the mean of its divisors is an integer number (476000).

Almost surely, 25342781 is an apocalyptic number.

It is an amenable number.

5342781 is a deficient number, since it is larger than the sum of its proper divisors (2273219).

5342781 is a wasteful number, since it uses less digits than its factorization.

5342781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1488.

The product of its digits is 6720, while the sum is 30.

The square root of 5342781 is about 2311.4456515350. The cubic root of 5342781 is about 174.8191983026.

The spelling of 5342781 in words is "five million, three hundred forty-two thousand, seven hundred eighty-one".

Divisors: 1 3 19 57 67 201 1273 1399 3819 4197 26581 79743 93733 281199 1780927 5342781