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5481215 = 51957697
BaseRepresentation
bin10100111010001011111111
3101022110210222
4110322023333
52400344330
6313251555
764406135
oct24721377
911273728
105481215
113104133
121a03bbb
13119bb2c
14a29755
157340e5
hex53a2ff

5481215 has 8 divisors (see below), whose sum is σ = 6923760. Its totient is φ = 4154112.

The previous prime is 5481211. The next prime is 5481227. The reversal of 5481215 is 5121845.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5481215 - 22 = 5481211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5481211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28754 + ... + 28943.

It is an arithmetic number, because the mean of its divisors is an integer number (865470).

Almost surely, 25481215 is an apocalyptic number.

5481215 is a deficient number, since it is larger than the sum of its proper divisors (1442545).

5481215 is a wasteful number, since it uses less digits than its factorization.

5481215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57721.

The product of its digits is 1600, while the sum is 26.

The square root of 5481215 is about 2341.1994788997. The cubic root of 5481215 is about 176.3162251340.

The spelling of 5481215 in words is "five million, four hundred eighty-one thousand, two hundred fifteen".

Divisors: 1 5 19 95 57697 288485 1096243 5481215