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97049407 = 7134722691
BaseRepresentation
bin1011100100011…
…01101100111111
320202121121202111
411302031230333
5144321040112
613344034451
72255622610
oct562155477
9222547674
1097049407
114a866724
1228602a27
131714c7b0
14cc63c07
1587c05a7
hex5c8db3f

97049407 has 16 divisors (see below), whose sum is σ = 121992192. Its totient is φ = 75149280.

The previous prime is 97049387. The next prime is 97049417. The reversal of 97049407 is 70494079.

It is a cyclic number.

It is not a de Polignac number, because 97049407 - 27 = 97049279 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 97049407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97049417) 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, 7069 + ... + 15622.

It is an arithmetic number, because the mean of its divisors is an integer number (7624512).

Almost surely, 297049407 is an apocalyptic number.

97049407 is a deficient number, since it is larger than the sum of its proper divisors (24942785).

97049407 is a wasteful number, since it uses less digits than its factorization.

97049407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22758.

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 97049407 is about 9851.3657428805. The cubic root of 97049407 is about 459.5480864218.

The spelling of 97049407 in words is "ninety-seven million, forty-nine thousand, four hundred seven".

Divisors: 1 7 13 47 91 329 611 4277 22691 158837 294983 1066477 2064881 7465339 13864201 97049407