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5405472 = 25321372
BaseRepresentation
bin10100100111101100100000
3101011121220200
4110213230200
52340433342
6311505200
763642252
oct24475440
911147820
105405472
113062236
121988200
131173507
14a09cd2
1571b94c
hex527b20

5405472 has 54 divisors (see below), whose sum is σ = 15484833. Its totient is φ = 1788672.

The previous prime is 5405471. The next prime is 5405479. The reversal of 5405472 is 2745045.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

5405472 is a `hidden beast` number, since 540 + 54 + 72 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5363856 + 41616 = 2316^2 + 204^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=1644.

It is not an unprimeable number, because it can be changed into a prime (5405471) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 39388 + ... + 39524.

Almost surely, 25405472 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 5405472

5405472 is an abundant number, since it is smaller than the sum of its proper divisors (10079361).

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

5405472 is a wasteful number, since it uses less digits than its factorization.

5405472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290 (or 142 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 5405472 is about 2324.9670965414. The cubic root of 5405472 is about 175.5003043801.

The spelling of 5405472 in words is "five million, four hundred five thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 137 144 274 288 411 548 822 1096 1233 1644 2192 2466 3288 4384 4932 6576 9864 13152 18769 19728 37538 39456 56307 75076 112614 150152 168921 225228 300304 337842 450456 600608 675684 900912 1351368 1801824 2702736 5405472