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745097129 = 7139765773
BaseRepresentation
bin101100011010010…
…100011110101001
31220221000212002222
4230122110132221
53011221102004
6201534003425
724315135560
oct5432243651
91827025088
10745097129
11352651557
12189646575
13bb49bc9a
1470d56bd7
154562e7be
hex2c6947a9

745097129 has 8 divisors (see below), whose sum is σ = 857666880. Its totient is φ = 634059216.

The previous prime is 745097123. The next prime is 745097137. The reversal of 745097129 is 921790547.

745097129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a de Polignac number, because none of the positive numbers 2k-745097129 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 745097129.

It is not an unprimeable number, because it can be changed into a prime (745097123) 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, 381914 + ... + 383859.

It is an arithmetic number, because the mean of its divisors is an integer number (107208360).

Almost surely, 2745097129 is an apocalyptic number.

It is an amenable number.

745097129 is a deficient number, since it is larger than the sum of its proper divisors (112569751).

745097129 is a wasteful number, since it uses less digits than its factorization.

745097129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765919.

The product of its (nonzero) digits is 158760, while the sum is 44.

The square root of 745097129 is about 27296.4673355363. The cubic root of 745097129 is about 906.5761648390.

The spelling of 745097129 in words is "seven hundred forty-five million, ninety-seven thousand, one hundred twenty-nine".

Divisors: 1 7 139 973 765773 5360411 106442447 745097129