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273472 = 264273
BaseRepresentation
bin1000010110001000000
3111220010121
41002301000
532222342
65510024
72216203
oct1026100
9456117
10273472
11177511
12112314
1397624
147193a
1556067
hex42c40

273472 has 14 divisors (see below), whose sum is σ = 542798. Its totient is φ = 136704.

The previous prime is 273457. The next prime is 273473. The reversal of 273472 is 274372.

It can be written as a sum of positive squares in only one way, i.e., 207936 + 65536 = 456^2 + 256^2 .

It is not an unprimeable number, because it can be changed into a prime (273473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2073 + ... + 2200.

2273472 is an apocalyptic number.

It is an amenable number.

273472 is a deficient number, since it is larger than the sum of its proper divisors (269326).

273472 is an equidigital number, since it uses as much as digits as its factorization.

273472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4285 (or 4275 counting only the distinct ones).

The product of its digits is 2352, while the sum is 25.

The square root of 273472 is about 522.9455038529. The cubic root of 273472 is about 64.9089059267.

Subtracting 273472 from its reverse (274372), we obtain a square (900 = 302).

The spelling of 273472 in words is "two hundred seventy-three thousand, four hundred seventy-two", and thus it is an iban number.

Divisors: 1 2 4 8 16 32 64 4273 8546 17092 34184 68368 136736 273472