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2397121 = 43107521
BaseRepresentation
bin1001001001001111000001
311111210020021
421021033001
51103201441
6123213441
726242456
oct11111701
94453207
102397121
111397aa1
12977281
1365c11c
1446582d
153253d1
hex2493c1

2397121 has 8 divisors (see below), whose sum is σ = 2480544. Its totient is φ = 2315040.

The previous prime is 2397113. The next prime is 2397127. The reversal of 2397121 is 1217932.

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 2397121 - 23 = 2397113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2397127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4341 + ... + 4861.

It is an arithmetic number, because the mean of its divisors is an integer number (310068).

22397121 is an apocalyptic number.

It is an amenable number.

2397121 is a deficient number, since it is larger than the sum of its proper divisors (83423).

2397121 is a wasteful number, since it uses less digits than its factorization.

2397121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671.

The product of its digits is 756, while the sum is 25.

The square root of 2397121 is about 1548.2638664000. The cubic root of 2397121 is about 133.8330325545.

The spelling of 2397121 in words is "two million, three hundred ninety-seven thousand, one hundred twenty-one".

Divisors: 1 43 107 521 4601 22403 55747 2397121