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1057395079 = 13107760169
BaseRepresentation
bin111111000001101…
…001000110000111
32201200200020100201
4333001221012013
54131143120304
6252531351331
735126465326
oct7701510607
92650606321
101057395079
114a2965634
12256152547
1313b0b4580
14a060c0bd
1562c6c3a4
hex3f069187

1057395079 has 8 divisors (see below), whose sum is σ = 1149377040. Its totient is φ = 966933696.

The previous prime is 1057395047. The next prime is 1057395107. The reversal of 1057395079 is 9705937501.

It is a happy number.

1057395079 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1057395079 - 25 = 1057395047 is a prime.

It is a super-2 number, since 2×10573950792 = 2236168706186832482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057396079) 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, 378694 + ... + 381475.

It is an arithmetic number, because the mean of its divisors is an integer number (143672130).

Almost surely, 21057395079 is an apocalyptic number.

1057395079 is a deficient number, since it is larger than the sum of its proper divisors (91981961).

1057395079 is a wasteful number, since it uses less digits than its factorization.

1057395079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760289.

The product of its (nonzero) digits is 297675, while the sum is 46.

The square root of 1057395079 is about 32517.6118280540. The cubic root of 1057395079 is about 1018.7769137683.

The spelling of 1057395079 in words is "one billion, fifty-seven million, three hundred ninety-five thousand, seventy-nine".

Divisors: 1 13 107 1391 760169 9882197 81338083 1057395079