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5481388 = 2211124577
BaseRepresentation
bin10100111010001110101100
3101022111001101
4110322032230
52400401023
6313252444
764406503
oct24721654
911274041
105481388
113104280
121a04124
13119bc33
14a2983a
157341ad
hex53a3ac

5481388 has 12 divisors (see below), whose sum is σ = 10464552. Its totient is φ = 2491520.

The previous prime is 5481353. The next prime is 5481397. The reversal of 5481388 is 8831845.

It is a super-2 number, since 2×54813882 = 60091228813088, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62245 + ... + 62332.

It is an arithmetic number, because the mean of its divisors is an integer number (872046).

Almost surely, 25481388 is an apocalyptic number.

It is an amenable number.

5481388 is a deficient number, since it is larger than the sum of its proper divisors (4983164).

5481388 is a wasteful number, since it uses less digits than its factorization.

5481388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124592 (or 124590 counting only the distinct ones).

The product of its digits is 30720, while the sum is 37.

The square root of 5481388 is about 2341.2364254812. The cubic root of 5481388 is about 176.3180800991.

It can be divided in two parts, 548 and 1388, that added together give a square (1936 = 442).

The spelling of 5481388 in words is "five million, four hundred eighty-one thousand, three hundred eighty-eight".

Divisors: 1 2 4 11 22 44 124577 249154 498308 1370347 2740694 5481388