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5178240 = 273252931
BaseRepresentation
bin10011110000001110000000
3100202002012200
4103300032000
52311200430
6302553200
762004624
oct23601600
910662180
105178240
112a17541
121898800
1310c3c62
1498b184
156c4460
hex4f0380

5178240 has 192 divisors, whose sum is σ = 19094400. Its totient is φ = 1290240.

The previous prime is 5178193. The next prime is 5178301. The reversal of 5178240 is 428715.

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 167025 + ... + 167055.

It is an arithmetic number, because the mean of its divisors is an integer number (99450).

Almost surely, 25178240 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 5178240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9547200).

5178240 is an abundant number, since it is smaller than the sum of its proper divisors (13916160).

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

5178240 is a wasteful number, since it uses less digits than its factorization.

5178240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85 (or 70 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 5178240 is about 2275.5746526976. The cubic root of 5178240 is about 173.0058247006.

The spelling of 5178240 in words is "five million, one hundred seventy-eight thousand, two hundred forty".