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5481920 = 26537463
BaseRepresentation
bin10100111010010111000000
3101022111210002
4110322113000
52400410140
6313255132
764411163
oct24722700
911274702
105481920
113104714
121a044a8
13119c252
14a29ada
15734415
hex53a5c0

5481920 has 56 divisors (see below), whose sum is σ = 13435584. Its totient is φ = 2128896.

The previous prime is 5481913. The next prime is 5481961. The reversal of 5481920 is 291845.

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, 11609 + ... + 12071.

Almost surely, 25481920 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 5481920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6717792).

5481920 is an abundant number, since it is smaller than the sum of its proper divisors (7953664).

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

5481920 is a wasteful number, since it uses less digits than its factorization.

5481920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517 (or 507 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 5481920 is about 2341.3500379055. The cubic root of 5481920 is about 176.3237841400.

The spelling of 5481920 in words is "five million, four hundred eighty-one thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 37 40 64 74 80 148 160 185 296 320 370 463 592 740 926 1184 1480 1852 2315 2368 2960 3704 4630 5920 7408 9260 11840 14816 17131 18520 29632 34262 37040 68524 74080 85655 137048 148160 171310 274096 342620 548192 685240 1096384 1370480 2740960 5481920