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2422161 = 32738447
BaseRepresentation
bin1001001111010110010001
311120001120200
421033112101
51110002121
6123525413
726405460
oct11172621
94501520
102422161
111404895
12989869
1366a641
144709d7
1532ca26
hex24f591

2422161 has 12 divisors (see below), whose sum is σ = 3998592. Its totient is φ = 1384056.

The previous prime is 2422111. The next prime is 2422169. The reversal of 2422161 is 1612242.

2422161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2422161 - 27 = 2422033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2422169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19161 + ... + 19286.

It is an arithmetic number, because the mean of its divisors is an integer number (333216).

22422161 is an apocalyptic number.

2422161 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2422161 is a deficient number, since it is larger than the sum of its proper divisors (1576431).

2422161 is a wasteful number, since it uses less digits than its factorization.

2422161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38460 (or 38457 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 2422161 is about 1556.3293353272. The cubic root of 2422161 is about 134.2974198660.

The spelling of 2422161 in words is "two million, four hundred twenty-two thousand, one hundred sixty-one".

Divisors: 1 3 7 9 21 63 38447 115341 269129 346023 807387 2422161