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2421995 = 51493251
BaseRepresentation
bin1001001111010011101011
311120001100112
421033103223
51110000440
6123524535
726405132
oct11172353
94501315
102421995
111404754
1298974b
1366a544
14470919
1532c965
hex24f4eb

2421995 has 8 divisors (see below), whose sum is σ = 2926800. Its totient is φ = 1924000.

The previous prime is 2421989. The next prime is 2421997. The reversal of 2421995 is 5991242.

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

It is not a de Polignac number, because 2421995 - 26 = 2421931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2421997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 881 + ... + 2370.

It is an arithmetic number, because the mean of its divisors is an integer number (365850).

22421995 is an apocalyptic number.

2421995 is a deficient number, since it is larger than the sum of its proper divisors (504805).

2421995 is a wasteful number, since it uses less digits than its factorization.

2421995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3405.

The product of its digits is 6480, while the sum is 32.

The square root of 2421995 is about 1556.2760037988. The cubic root of 2421995 is about 134.2943518232.

The spelling of 2421995 in words is "two million, four hundred twenty-one thousand, nine hundred ninety-five".

Divisors: 1 5 149 745 3251 16255 484399 2421995