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974125109 = 17294148193
BaseRepresentation
bin111010000011111…
…111100000110101
32111212222200102202
4322003333200311
53443334000414
6240354514245
733065632616
oct7203774065
92455880382
10974125109
1145a960681
12232295985
13126a7a9b9
1493533c0d
155a7be9de
hex3a0ff835

974125109 has 16 divisors (see below), whose sum is σ = 1093039920. Its totient is φ = 863600640.

The previous prime is 974125093. The next prime is 974125169. The reversal of 974125109 is 901521479.

It can be written as a sum of positive squares in 8 ways, for example, as 61009 + 974064100 = 247^2 + 31210^2 .

It is a cyclic number.

It is not a de Polignac number, because 974125109 - 24 = 974125093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (974125169) 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, 3884 + ... + 44309.

It is an arithmetic number, because the mean of its divisors is an integer number (68314995).

Almost surely, 2974125109 is an apocalyptic number.

It is an amenable number.

974125109 is a deficient number, since it is larger than the sum of its proper divisors (118914811).

974125109 is a wasteful number, since it uses less digits than its factorization.

974125109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48280.

The product of its (nonzero) digits is 22680, while the sum is 38.

The square root of 974125109 is about 31210.9773797618. The cubic root of 974125109 is about 991.2995581799.

The spelling of 974125109 in words is "nine hundred seventy-four million, one hundred twenty-five thousand, one hundred nine".

Divisors: 1 17 29 41 493 697 1189 20213 48193 819281 1397597 1975913 23759149 33590521 57301477 974125109