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253472 = 25892
BaseRepresentation
bin111101111000100000
3110212200212
4331320200
531102342
65233252
72103662
oct757040
9425625
10253472
1116348a
12102828
138b4ab
1468532
1550182
hex3de20

253472 has 18 divisors (see below), whose sum is σ = 504693. Its totient is φ = 125312.

The previous prime is 253469. The next prime is 253481. The reversal of 253472 is 274352.

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.

253472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 226576 + 26896 = 476^2 + 164^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=356.

It is an Ulam number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2804 + ... + 2892.

2253472 is an apocalyptic number.

It is an amenable number.

253472 is a deficient number, since it is larger than the sum of its proper divisors (251221).

253472 is an frugal number, since it uses more digits than its factorization.

253472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188 (or 91 counting only the distinct ones).

The product of its digits is 1680, while the sum is 23.

The square root of 253472 is about 503.4600282048. The cubic root of 253472 is about 63.2863424901.

The spelling of 253472 in words is "two hundred fifty-three thousand, four hundred seventy-two".