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1082145749 = 8943128211
BaseRepresentation
bin100000010000000…
…0011101111010101
32210102020200220012
41000200003233111
54204012130444
6255214050005
735550041606
oct10040035725
92712220805
101082145749
11505930133
122624a9905
1314326c139
14a3a11dad
156500ab9e
hex40803bd5

1082145749 has 8 divisors (see below), whose sum is σ = 1096882560. Its totient is φ = 1067466400.

The previous prime is 1082145667. The next prime is 1082145767. The reversal of 1082145749 is 9475412801.

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-1082145749 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1082145049) 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, 24254 + ... + 52464.

It is an arithmetic number, because the mean of its divisors is an integer number (137110320).

Almost surely, 21082145749 is an apocalyptic number.

It is an amenable number.

1082145749 is a deficient number, since it is larger than the sum of its proper divisors (14736811).

1082145749 is an equidigital number, since it uses as much as digits as its factorization.

1082145749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28731.

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 1082145749 is about 32895.9837822188. The cubic root of 1082145749 is about 1026.6645961311.

The spelling of 1082145749 in words is "one billion, eighty-two million, one hundred forty-five thousand, seven hundred forty-nine".

Divisors: 1 89 431 28211 38359 2510779 12158941 1082145749