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745830129 = 311148715199
BaseRepresentation
bin101100011101000…
…111011011110001
31220222102002121010
4230131013123301
53011413031004
6202001421133
724324310602
oct5435073361
91828362533
10745830129
11353002240
1218993a7a9
13bb697805
14710a7da9
1545726a89
hex2c7476f1

745830129 has 16 divisors (see below), whose sum is σ = 1085644800. Its totient is φ = 451684560.

The previous prime is 745830097. The next prime is 745830133. The reversal of 745830129 is 921038547.

It is not a de Polignac number, because 745830129 - 25 = 745830097 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (745830179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41472 + ... + 56670.

It is an arithmetic number, because the mean of its divisors is an integer number (67852800).

Almost surely, 2745830129 is an apocalyptic number.

It is an amenable number.

745830129 is a deficient number, since it is larger than the sum of its proper divisors (339814671).

745830129 is a wasteful number, since it uses less digits than its factorization.

745830129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16700.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 745830129 is about 27309.8906808504. The cubic root of 745830129 is about 906.8733531793.

The spelling of 745830129 in words is "seven hundred forty-five million, eight hundred thirty thousand, one hundred twenty-nine".

Divisors: 1 3 11 33 1487 4461 15199 16357 45597 49071 167189 501567 22600913 67802739 248610043 745830129