Search a number
-
+
2975439 = 31675939
BaseRepresentation
bin1011010110011011001111
312121011112110
423112123033
51230203224
6143435103
734201515
oct13263317
95534473
102975439
111752545
12bb5a93
1380241c
145764b5
153db929
hex2d66cf

2975439 has 8 divisors (see below), whose sum is σ = 3991680. Its totient is φ = 1971416.

The previous prime is 2975417. The next prime is 2975443. The reversal of 2975439 is 9345792.

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 2975439 - 28 = 2975183 is a prime.

It is a d-powerful number, because it can be written as 221 + 9 + 7 + 57 + 49 + 312 + 94 .

2975439 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2975397 and 2975406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2975449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2469 + ... + 3470.

It is an arithmetic number, because the mean of its divisors is an integer number (498960).

22975439 is an apocalyptic number.

2975439 is a deficient number, since it is larger than the sum of its proper divisors (1016241).

2975439 is a wasteful number, since it uses less digits than its factorization.

2975439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6109.

The product of its digits is 68040, while the sum is 39.

The square root of 2975439 is about 1724.9460861140. The cubic root of 2975439 is about 143.8302881039.

The spelling of 2975439 in words is "two million, nine hundred seventy-five thousand, four hundred thirty-nine".

Divisors: 1 3 167 501 5939 17817 991813 2975439