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1075263397 = 1398384143
BaseRepresentation
bin100000000010111…
…0011011110100101
32202221022001002021
41000011303132211
54200231412042
6254410343141
735434405465
oct10005633645
92687261067
101075263397
11501a5a33a
1226012aab1
131419cc640
14a2b3dba5
15645eb867
hex401737a5

1075263397 has 8 divisors (see below), whose sum is σ = 1159167744. Its totient is φ = 991529328.

The previous prime is 1075263383. The next prime is 1075263443. The reversal of 1075263397 is 7933625701.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1075263397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1075263337) 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, 29293 + ... + 54850.

It is an arithmetic number, because the mean of its divisors is an integer number (144895968).

Almost surely, 21075263397 is an apocalyptic number.

It is an amenable number.

1075263397 is a deficient number, since it is larger than the sum of its proper divisors (83904347).

1075263397 is an equidigital number, since it uses as much as digits as its factorization.

1075263397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85139.

The product of its (nonzero) digits is 238140, while the sum is 43.

The square root of 1075263397 is about 32791.2091420856. The cubic root of 1075263397 is about 1024.4834667325.

The spelling of 1075263397 in words is "one billion, seventy-five million, two hundred sixty-three thousand, three hundred ninety-seven".

Divisors: 1 13 983 12779 84143 1093859 82712569 1075263397