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1080545997 = 3793345403
BaseRepresentation
bin100000001100111…
…1101001011001101
32210022020102110010
41000121331023031
54203104432442
6255115503433
735530326606
oct10031751315
92708212403
101080545997
11504a38223
12261a57b79
13142b2bc3b
14a3716dad
1564ce1b9c
hex4067d2cd

1080545997 has 8 divisors (see below), whose sum is σ = 1440941344. Its totient is φ = 720257328.

The previous prime is 1080545971. The next prime is 1080546029. The reversal of 1080545997 is 7995450801.

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

It is not a de Polignac number, because 1080545997 - 211 = 1080543949 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 (1080545797) 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, 1098 + ... + 46500.

It is an arithmetic number, because the mean of its divisors is an integer number (180117668).

Almost surely, 21080545997 is an apocalyptic number.

It is an amenable number.

1080545997 is a deficient number, since it is larger than the sum of its proper divisors (360395347).

1080545997 is an equidigital number, since it uses as much as digits as its factorization.

1080545997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53339.

The product of its (nonzero) digits is 453600, while the sum is 48.

The square root of 1080545997 is about 32871.6594804704. The cubic root of 1080545997 is about 1026.1584354960.

The spelling of 1080545997 in words is "one billion, eighty million, five hundred forty-five thousand, nine hundred ninety-seven".

Divisors: 1 3 7933 23799 45403 136209 360181999 1080545997