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5481504 = 253272719
BaseRepresentation
bin10100111010010000100000
3101022111012200
4110322100200
52400402004
6313253200
764410030
oct24722040
911274180
105481504
113104376
121a04200
13119bcc2
14a298c0
15734239
hex53a420

5481504 has 72 divisors (see below), whose sum is σ = 17821440. Its totient is φ = 1565568.

The previous prime is 5481499. The next prime is 5481523. The reversal of 5481504 is 4051845.

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

It is a super-2 number, since 2×54815042 = 60093772204032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 657 + ... + 3375.

It is an arithmetic number, because the mean of its divisors is an integer number (247520).

Almost surely, 25481504 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 5481504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8910720).

5481504 is an abundant number, since it is smaller than the sum of its proper divisors (12339936).

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

5481504 is a wasteful number, since it uses less digits than its factorization.

5481504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2742 (or 2731 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 5481504 is about 2341.2611985851. The cubic root of 5481504 is about 176.3193238688.

The spelling of 5481504 in words is "five million, four hundred eighty-one thousand, five hundred four".

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 2719 5438 8157 10876 16314 19033 21752 24471 32628 38066 43504 48942 57099 65256 76132 87008 97884 114198 130512 152264 171297 195768 228396 261024 304528 342594 391536 456792 609056 685188 783072 913584 1370376 1827168 2740752 5481504