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297394525 = 5241290141
BaseRepresentation
bin10001101110011…
…110000101011101
3202201121012121001
4101232132011131
51102113111100
645302110301
710240545301
oct2156360535
9681535531
10297394525
111429649aa
128371b391
13497c7bbc
142b6d5d01
151b196d6a
hex11b9e15d

297394525 has 12 divisors (see below), whose sum is σ = 377764884. Its totient is φ = 232112000.

The previous prime is 297394483. The next prime is 297394529. The reversal of 297394525 is 525493792.

It can be written as a sum of positive squares in 6 ways, for example, as 74011609 + 223382916 = 8603^2 + 14946^2 .

It is not a de Polignac number, because 297394525 - 217 = 297263453 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 (297394529) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 144046 + ... + 146095.

It is an arithmetic number, because the mean of its divisors is an integer number (31480407).

Almost surely, 2297394525 is an apocalyptic number.

297394525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

297394525 is a deficient number, since it is larger than the sum of its proper divisors (80370359).

297394525 is a wasteful number, since it uses less digits than its factorization.

297394525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290192 (or 290187 counting only the distinct ones).

The product of its digits is 680400, while the sum is 46.

The square root of 297394525 is about 17245.1304721072. The cubic root of 297394525 is about 667.4893226326.

The spelling of 297394525 in words is "two hundred ninety-seven million, three hundred ninety-four thousand, five hundred twenty-five".

Divisors: 1 5 25 41 205 1025 290141 1450705 7253525 11895781 59478905 297394525