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1425767369 = 13155370621
BaseRepresentation
bin101010011111011…
…0111101111001001
310200100211111010212
41110332313233021
510404444023434
6353251050505
750221552115
oct12476675711
93610744125
101425767369
11671899144
123395a0a35
13199501040
14d74dc745
15852848ce
hex54fb7bc9

1425767369 has 8 divisors (see below), whose sum is σ = 1536452232. Its totient is φ = 1315226880.

The previous prime is 1425767359. The next prime is 1425767377. The reversal of 1425767369 is 9637675241.

It can be written as a sum of positive squares in 4 ways, for example, as 40960000 + 1384807369 = 6400^2 + 37213^2 .

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 1425767369 - 28 = 1425767113 is a prime.

It is a super-2 number, since 2×14257673692 = 4065625181010364322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1425767359) 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, 15122 + ... + 55499.

It is an arithmetic number, because the mean of its divisors is an integer number (192056529).

Almost surely, 21425767369 is an apocalyptic number.

It is an amenable number.

1425767369 is a deficient number, since it is larger than the sum of its proper divisors (110684863).

1425767369 is a wasteful number, since it uses less digits than its factorization.

1425767369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72187.

The product of its digits is 1905120, while the sum is 50.

The square root of 1425767369 is about 37759.3348590782. The cubic root of 1425767369 is about 1125.5105156881.

The spelling of 1425767369 in words is "one billion, four hundred twenty-five million, seven hundred sixty-seven thousand, three hundred sixty-nine".

Divisors: 1 13 1553 20189 70621 918073 109674413 1425767369