Search a number
-
+
2081973 = 31740823
BaseRepresentation
bin111111100010010110101
310220202221010
413330102311
51013110343
6112342433
723460615
oct7742265
93822833
102081973
1111a2243
12844a19
1357b84a
143c2a45
152b1d33
hex1fc4b5

2081973 has 8 divisors (see below), whose sum is σ = 2939328. Its totient is φ = 1306304.

The previous prime is 2081969. The next prime is 2082019. The reversal of 2081973 is 3791802.

It is a happy number.

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 2081973 - 22 = 2081969 is a prime.

It is a super-2 number, since 2×20819732 = 8669223145458, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2081973.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2081903) 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, 20361 + ... + 20462.

It is an arithmetic number, because the mean of its divisors is an integer number (367416).

22081973 is an apocalyptic number.

It is an amenable number.

2081973 is a deficient number, since it is larger than the sum of its proper divisors (857355).

2081973 is a wasteful number, since it uses less digits than its factorization.

2081973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40843.

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

The square root of 2081973 is about 1442.9043627351. The cubic root of 2081973 is about 127.6904343793.

The spelling of 2081973 in words is "two million, eighty-one thousand, nine hundred seventy-three".

Divisors: 1 3 17 51 40823 122469 693991 2081973