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1253480473 = 7237785593
BaseRepresentation
bin100101010110110…
…1001100000011001
310020100122101221201
41022231221200121
510031342333343
6324214234201
743030260010
oct11255514031
93210571851
101253480473
11593614483
122ab955961
1316c8cab2b
14bc691a77
15750a194d
hex4ab69819

1253480473 has 8 divisors (see below), whose sum is σ = 1494834048. Its totient is φ = 1027698144.

The previous prime is 1253480471. The next prime is 1253480479. The reversal of 1253480473 is 3740843521.

It is a happy number.

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

It is not a de Polignac number, because 1253480473 - 21 = 1253480471 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1253480471) 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, 3892636 + ... + 3892957.

It is an arithmetic number, because the mean of its divisors is an integer number (186854256).

Almost surely, 21253480473 is an apocalyptic number.

It is an amenable number.

1253480473 is a deficient number, since it is larger than the sum of its proper divisors (241353575).

1253480473 is an equidigital number, since it uses as much as digits as its factorization.

1253480473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7785623.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 1253480473 is about 35404.5261654495. The cubic root of 1253480473 is about 1078.2162120833.

The spelling of 1253480473 in words is "one billion, two hundred fifty-three million, four hundred eighty thousand, four hundred seventy-three".

Divisors: 1 7 23 161 7785593 54499151 179068639 1253480473