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749937089 = 11312199229
BaseRepresentation
bin101100101100110…
…010000111000001
31221021010202021202
4230230302013001
53013440441324
6202225430545
724404234336
oct5454620701
91837122252
10749937089
11355357920
1218b19b455
13bc4a4c75
147185698d
1545c888ae
hex2cb321c1

749937089 has 8 divisors (see below), whose sum is σ = 844504320. Its totient is φ = 659768400.

The previous prime is 749937079. The next prime is 749937137. The reversal of 749937089 is 980739947.

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 749937089 - 220 = 748888513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (749937079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1099274 + ... + 1099955.

It is an arithmetic number, because the mean of its divisors is an integer number (105563040).

Almost surely, 2749937089 is an apocalyptic number.

It is an amenable number.

749937089 is a deficient number, since it is larger than the sum of its proper divisors (94567231).

749937089 is a wasteful number, since it uses less digits than its factorization.

749937089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2199271.

The product of its (nonzero) digits is 3429216, while the sum is 56.

The square root of 749937089 is about 27384.9792587104. The cubic root of 749937089 is about 908.5348919560.

The spelling of 749937089 in words is "seven hundred forty-nine million, nine hundred thirty-seven thousand, eighty-nine".

Divisors: 1 11 31 341 2199229 24191519 68176099 749937089