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2972083 = 23129221
BaseRepresentation
bin1011010101100110110011
312120222221011
423111212303
51230101313
6143411351
734155652
oct13254663
95528834
102972083
11174aa74
12bb3b57
13800a3a
14575199
153da93d
hex2d59b3

2972083 has 4 divisors (see below), whose sum is σ = 3101328. Its totient is φ = 2842840.

The previous prime is 2972071. The next prime is 2972107. The reversal of 2972083 is 3802792.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2972083 - 217 = 2841011 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2972033) 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 3 ways as a sum of consecutive naturals, for example, 64588 + ... + 64633.

It is an arithmetic number, because the mean of its divisors is an integer number (775332).

22972083 is an apocalyptic number.

2972083 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2972083 is a deficient number, since it is larger than the sum of its proper divisors (129245).

2972083 is a wasteful number, since it uses less digits than its factorization.

2972083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129244.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 2972083 is about 1723.9730276312. The cubic root of 2972083 is about 143.7761923287.

The spelling of 2972083 in words is "two million, nine hundred seventy-two thousand, eighty-three".

Divisors: 1 23 129221 2972083