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2121483 = 371319409
BaseRepresentation
bin1000000101111100001011
310222210010110
420011330023
51020341413
6113245403
724014040
oct10057413
93883113
102121483
1112199a1
12863863
13593820
143d31c7
152bd8c3
hex205f0b

2121483 has 32 divisors (see below), whose sum is σ = 3673600. Its totient is φ = 1057536.

The previous prime is 2121479. The next prime is 2121503. The reversal of 2121483 is 3841212.

It is not a de Polignac number, because 2121483 - 22 = 2121479 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (2121403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4983 + ... + 5391.

It is an arithmetic number, because the mean of its divisors is an integer number (114800).

22121483 is an apocalyptic number.

2121483 is a deficient number, since it is larger than the sum of its proper divisors (1552117).

2121483 is a wasteful number, since it uses less digits than its factorization.

2121483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451.

The product of its digits is 384, while the sum is 21.

The square root of 2121483 is about 1456.5311531169. The cubic root of 2121483 is about 128.4931133293.

Adding to 2121483 its reverse (3841212), we get a palindrome (5962695).

The spelling of 2121483 in words is "two million, one hundred twenty-one thousand, four hundred eighty-three".

Divisors: 1 3 7 13 19 21 39 57 91 133 247 273 399 409 741 1227 1729 2863 5187 5317 7771 8589 15951 23313 37219 54397 101023 111657 163191 303069 707161 2121483