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1425472491 = 31727950441
BaseRepresentation
bin101010011110110…
…1111101111101011
310200100021111122110
41110331233233223
510404410104431
6353240453403
750216213322
oct12475575753
93610244573
101425472491
11671707643
1233947a263
13199429a61
14d74630b9
1585227346
hex54f6fbeb

1425472491 has 8 divisors (see below), whose sum is σ = 2012431824. Its totient is φ = 894414080.

The previous prime is 1425472483. The next prime is 1425472493. The reversal of 1425472491 is 1942745241.

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

It is a cyclic number.

It is not a de Polignac number, because 1425472491 - 23 = 1425472483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1425472493) 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, 13975170 + ... + 13975271.

It is an arithmetic number, because the mean of its divisors is an integer number (251553978).

Almost surely, 21425472491 is an apocalyptic number.

1425472491 is a deficient number, since it is larger than the sum of its proper divisors (586959333).

1425472491 is a wasteful number, since it uses less digits than its factorization.

1425472491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27950461.

The product of its digits is 80640, while the sum is 39.

The square root of 1425472491 is about 37755.4299538490. The cubic root of 1425472491 is about 1125.4329174347.

The spelling of 1425472491 in words is "one billion, four hundred twenty-five million, four hundred seventy-two thousand, four hundred ninety-one".

Divisors: 1 3 17 51 27950441 83851323 475157497 1425472491