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5181488 = 241329859
BaseRepresentation
bin10011110001000000110000
3100202020122222
4103301000300
52311301423
6303020212
762020244
oct23610060
910666588
105181488
112a19a24
12189a668
1310c5590
1498c424
156c53c8
hex4f1030

5181488 has 40 divisors (see below), whose sum is σ = 11197200. Its totient is φ = 2306304.

The previous prime is 5181469. The next prime is 5181497. The reversal of 5181488 is 8841815.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5603 + ... + 6461.

It is an arithmetic number, because the mean of its divisors is an integer number (279930).

Almost surely, 25181488 is an apocalyptic number.

5181488 is a gapful number since it is divisible by the number (58) 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 5181488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5598600).

5181488 is an abundant number, since it is smaller than the sum of its proper divisors (6015712).

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

5181488 is a wasteful number, since it uses less digits than its factorization.

5181488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909 (or 903 counting only the distinct ones).

The product of its digits is 10240, while the sum is 35.

The square root of 5181488 is about 2276.2882067085. The cubic root of 5181488 is about 173.0419892065.

The spelling of 5181488 in words is "five million, one hundred eighty-one thousand, four hundred eighty-eight".

Divisors: 1 2 4 8 13 16 26 29 52 58 104 116 208 232 377 464 754 859 1508 1718 3016 3436 6032 6872 11167 13744 22334 24911 44668 49822 89336 99644 178672 199288 323843 398576 647686 1295372 2590744 5181488