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1087430849 = 7325395867
BaseRepresentation
bin100000011010000…
…1110000011000001
32210210012012200122
41000310032003001
54211340241344
6255523230025
735643003221
oct10064160301
92723165618
101087430849
1150890a98a
12264218315
1314439c90b
14a45ca081
1565701aee
hex40d0e0c1

1087430849 has 8 divisors (see below), whose sum is σ = 1102949280. Its totient is φ = 1071929376.

The previous prime is 1087430831. The next prime is 1087430863. The reversal of 1087430849 is 9480347801.

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 1087430849 - 216 = 1087365313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1087430809) 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, 182414 + ... + 188280.

It is an arithmetic number, because the mean of its divisors is an integer number (137868660).

Almost surely, 21087430849 is an apocalyptic number.

It is an amenable number.

1087430849 is a deficient number, since it is larger than the sum of its proper divisors (15518431).

1087430849 is an equidigital number, since it uses as much as digits as its factorization.

1087430849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8479.

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 1087430849 is about 32976.2164142583. The cubic root of 1087430849 is about 1028.3332609266. Note that the first 3 decimals are identical.

The spelling of 1087430849 in words is "one billion, eighty-seven million, four hundred thirty thousand, eight hundred forty-nine".

Divisors: 1 73 2539 5867 185347 428291 14896313 1087430849