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745315071 = 31719769159
BaseRepresentation
bin101100011011001…
…001101011111111
31220221102221001220
4230123021223333
53011300040241
6201542404423
724320034144
oct5433115377
91827387056
10745315071
11352790276
12189730713
13bb547247
1470db23cb
1545674166
hex2c6c9aff

745315071 has 16 divisors (see below), whose sum is σ = 1107590400. Its totient is φ = 443035008.

The previous prime is 745315061. The next prime is 745315073. The reversal of 745315071 is 170513547.

It is not a de Polignac number, because 745315071 - 27 = 745314943 is a prime.

It is a super-3 number, since 3×7453150713 (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745315073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 383611 + ... + 385548.

It is an arithmetic number, because the mean of its divisors is an integer number (69224400).

Almost surely, 2745315071 is an apocalyptic number.

745315071 is a deficient number, since it is larger than the sum of its proper divisors (362275329).

745315071 is a wasteful number, since it uses less digits than its factorization.

745315071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769198.

The product of its (nonzero) digits is 14700, while the sum is 33.

The square root of 745315071 is about 27300.4591719627. The cubic root of 745315071 is about 906.6645478402.

The spelling of 745315071 in words is "seven hundred forty-five million, three hundred fifteen thousand, seventy-one".

Divisors: 1 3 17 19 51 57 323 969 769159 2307477 13075703 14614021 39227109 43842063 248438357 745315071