Search a number
-
+
2397081 = 33372371
BaseRepresentation
bin1001001001001110011001
311111210011210
421021032121
51103201311
6123213333
726242401
oct11111631
94453153
102397081
111397a65
12977249
1365c0bb
14465801
153253a6
hex249399

2397081 has 8 divisors (see below), whose sum is σ = 3206944. Its totient is φ = 1592640.

The previous prime is 2397077. The next prime is 2397091. The reversal of 2397081 is 1807932.

It is a happy number.

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

It is not a de Polignac number, because 2397081 - 22 = 2397077 is a prime.

It is a super-2 number, since 2×23970812 = 11491994641122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2397001) 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, 175 + ... + 2196.

It is an arithmetic number, because the mean of its divisors is an integer number (400868).

22397081 is an apocalyptic number.

It is an amenable number.

2397081 is a deficient number, since it is larger than the sum of its proper divisors (809863).

2397081 is a wasteful number, since it uses less digits than its factorization.

2397081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2711.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 2397081 is about 1548.2509486514. The cubic root of 2397081 is about 133.8322881406.

The spelling of 2397081 in words is "two million, three hundred ninety-seven thousand, eighty-one".

Divisors: 1 3 337 1011 2371 7113 799027 2397081