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5142816 = 253272551
BaseRepresentation
bin10011100111100100100000
3100200021121200
4103213210200
52304032231
6302121200
761466430
oct23474440
910607550
105142816
1129a2968
121880200
1310b0ab3
1497c2c0
156b8be6
hex4e7920

5142816 has 72 divisors (see below), whose sum is σ = 16720704. Its totient is φ = 1468800.

The previous prime is 5142811. The next prime is 5142817. The reversal of 5142816 is 6182415.

It is a tau number, because it is divible by the number of its divisors (72).

It is a self number, because there is not a number n which added to its sum of digits gives 5142816.

It is not an unprimeable number, because it can be changed into a prime (5142811) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 741 + ... + 3291.

It is an arithmetic number, because the mean of its divisors is an integer number (232232).

Almost surely, 25142816 is an apocalyptic number.

5142816 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5142816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8360352).

5142816 is an abundant number, since it is smaller than the sum of its proper divisors (11577888).

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

5142816 is a wasteful number, since it uses less digits than its factorization.

5142816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2574 (or 2563 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 5142816 is about 2267.7777668899. Note that the first 4 decimals coincide. The cubic root of 5142816 is about 172.6104145025.

The spelling of 5142816 in words is "five million, one hundred forty-two thousand, eight hundred sixteen".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 56 63 72 84 96 112 126 144 168 224 252 288 336 504 672 1008 2016 2551 5102 7653 10204 15306 17857 20408 22959 30612 35714 40816 45918 53571 61224 71428 81632 91836 107142 122448 142856 160713 183672 214284 244896 285712 321426 367344 428568 571424 642852 734688 857136 1285704 1714272 2571408 5142816