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2197697241 = 32333144059
BaseRepresentation
bin1000001011111110…
…0011001011011001
312200011100120212010
42002333203023121
514000102302431
61002024140133
7105314055405
oct20277431331
95604316763
102197697241
11a285a7513
12514007649
1329040648c
1416bc3c105
15cce14846
hex82fe32d9

2197697241 has 8 divisors (see below), whose sum is σ = 2942840160. Its totient is φ = 1458842912.

The previous prime is 2197697239. The next prime is 2197697273. The reversal of 2197697241 is 1427967912.

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

It is a cyclic number.

It is not a de Polignac number, because 2197697241 - 21 = 2197697239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2197697221) 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 7 ways as a sum of consecutive naturals, for example, 1571331 + ... + 1572728.

It is an arithmetic number, because the mean of its divisors is an integer number (367855020).

Almost surely, 22197697241 is an apocalyptic number.

It is an amenable number.

2197697241 is a deficient number, since it is larger than the sum of its proper divisors (745142919).

2197697241 is a wasteful number, since it uses less digits than its factorization.

2197697241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3144295.

The product of its digits is 381024, while the sum is 48.

The square root of 2197697241 is about 46879.6036779323. The cubic root of 2197697241 is about 1300.1375083341.

The spelling of 2197697241 in words is "two billion, one hundred ninety-seven million, six hundred ninety-seven thousand, two hundred forty-one".

Divisors: 1 3 233 699 3144059 9432177 732565747 2197697241