Search a number
-
+
2972434 = 211531289
BaseRepresentation
bin1011010101101100010010
312121000102011
423111230102
51230104214
6143413134
734156663
oct13255422
95530364
102972434
111750263
12bb41aa
13800c4a
1457536a
153daac4
hex2d5b12

2972434 has 8 divisors (see below), whose sum is σ = 4465980. Its totient is φ = 1483776.

The previous prime is 2972429. The next prime is 2972447. The reversal of 2972434 is 4342792.

2972434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2673225 + 299209 = 1635^2 + 547^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2972396 and 2972405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1662 + ... + 2950.

22972434 is an apocalyptic number.

2972434 is a deficient number, since it is larger than the sum of its proper divisors (1493546).

2972434 is a wasteful number, since it uses less digits than its factorization.

2972434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2444.

The product of its digits is 12096, while the sum is 31.

The square root of 2972434 is about 1724.0748243623. The cubic root of 2972434 is about 143.7818520469.

The spelling of 2972434 in words is "two million, nine hundred seventy-two thousand, four hundred thirty-four".

Divisors: 1 2 1153 1289 2306 2578 1486217 2972434