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2971875 = 355317
BaseRepresentation
bin1011010101100011100011
312120222122110
423111203203
51230100000
6143410403
734155234
oct13254343
95528573
102971875
11174a8a5
12bb3a03
1380090a
1457508b
153da850
hex2d58e3

2971875 has 24 divisors (see below), whose sum is σ = 4968432. Its totient is φ = 1580000.

The previous prime is 2971873. The next prime is 2971879. The reversal of 2971875 is 5781792.

It is not a de Polignac number, because 2971875 - 21 = 2971873 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2971873) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9217 + ... + 9533.

It is an arithmetic number, because the mean of its divisors is an integer number (207018).

22971875 is an apocalyptic number.

2971875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2971875 is a deficient number, since it is larger than the sum of its proper divisors (1996557).

2971875 is an frugal number, since it uses more digits than its factorization.

2971875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345 (or 325 counting only the distinct ones).

The product of its digits is 35280, while the sum is 39.

The square root of 2971875 is about 1723.9127008059. The cubic root of 2971875 is about 143.7728382113.

The spelling of 2971875 in words is "two million, nine hundred seventy-one thousand, eight hundred seventy-five".

Divisors: 1 3 5 15 25 75 125 317 375 625 951 1585 1875 3125 4755 7925 9375 23775 39625 118875 198125 594375 990625 2971875