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5242720 = 255731151
BaseRepresentation
bin10011111111111101100000
3100212100122211
4103333331200
52320231340
6304211504
762363620
oct23777540
910770584
105242720
112a60a2a
121909b94
131117402
149a6880
156d85ea
hex4fff60

5242720 has 96 divisors (see below), whose sum is σ = 14708736. Its totient is φ = 1728000.

The previous prime is 5242703. The next prime is 5242729. The reversal of 5242720 is 272425.

It is a super-2 number, since 2×52427202 = 54972225996800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5242691 and 5242700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5242729) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34645 + ... + 34795.

It is an arithmetic number, because the mean of its divisors is an integer number (153216).

Almost surely, 25242720 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5242720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7354368).

5242720 is an abundant number, since it is smaller than the sum of its proper divisors (9466016).

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

5242720 is a wasteful number, since it uses less digits than its factorization.

5242720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204 (or 196 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 5242720 is about 2289.6986701311. The cubic root of 5242720 is about 173.7209602451.

The spelling of 5242720 in words is "five million, two hundred forty-two thousand, seven hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 31 32 35 40 56 62 70 80 112 124 140 151 155 160 217 224 248 280 302 310 434 496 560 604 620 755 868 992 1057 1085 1120 1208 1240 1510 1736 2114 2170 2416 2480 3020 3472 4228 4340 4681 4832 4960 5285 6040 6944 8456 8680 9362 10570 12080 16912 17360 18724 21140 23405 24160 32767 33824 34720 37448 42280 46810 65534 74896 84560 93620 131068 149792 163835 169120 187240 262136 327670 374480 524272 655340 748960 1048544 1310680 2621360 5242720