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5481451 = 311511171
BaseRepresentation
bin10100111010001111101011
3101022111010201
4110322033223
52400401301
6313253031
764406623
oct24721753
911274121
105481451
113104328
121a04177
13119bc81
14a29883
15734201
hex53a3eb

5481451 has 8 divisors (see below), whose sum is σ = 5700608. Its totient is φ = 5265000.

The previous prime is 5481431. The next prime is 5481461. The reversal of 5481451 is 1541845.

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

It is a 3-Lehmer number, since φ(5481451) divides (5481451-1)3.

It is a cyclic number.

It is a Carmichael number.

It is not a de Polignac number, because 5481451 - 27 = 5481323 is a prime.

It is a deceptive number, since it divides R5481450.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5481401) 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, 4096 + ... + 5266.

It is an arithmetic number, because the mean of its divisors is an integer number (712576).

It is a Poulet number, since it divides 25481450-1.

Almost surely, 25481451 is an apocalyptic number.

5481451 is the 1171-st decagonal number.

5481451 is a deficient number, since it is larger than the sum of its proper divisors (219157).

5481451 is a wasteful number, since it uses less digits than its factorization.

5481451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1353.

The product of its digits is 3200, while the sum is 28.

The square root of 5481451 is about 2341.2498798719. The cubic root of 5481451 is about 176.3187555968.

The spelling of 5481451 in words is "five million, four hundred eighty-one thousand, four hundred fifty-one".

Divisors: 1 31 151 1171 4681 36301 176821 5481451