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5242840 = 235131071
BaseRepresentation
bin10011111111111111011000
3100212100211021
4103333333120
52320232330
6304212224
762364151
oct23777730
910770737
105242840
112a61029
12190a074
131117495
149a6928
156d867a
hex4fffd8

5242840 has 16 divisors (see below), whose sum is σ = 11796480. Its totient is φ = 2097120.

The previous prime is 5242837. The next prime is 5242843. The reversal of 5242840 is 482425.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (5242837) and next prime (5242843).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5242843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65496 + ... + 65575.

It is an arithmetic number, because the mean of its divisors is an integer number (737280).

Almost surely, 25242840 is an apocalyptic number.

It is an amenable number.

5242840 is an abundant number, since it is smaller than the sum of its proper divisors (6553640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5242840 is a wasteful number, since it uses less digits than its factorization.

5242840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131082 (or 131078 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 5242840 is about 2289.7248743026. The cubic root of 5242840 is about 173.7222856612.

It can be divided in two parts, 524 and 2840, that added together give a square (3364 = 582).

The spelling of 5242840 in words is "five million, two hundred forty-two thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 20 40 131071 262142 524284 655355 1048568 1310710 2621420 5242840