Search a number
-
+
2942812 = 221993697
BaseRepresentation
bin1011001110011101011100
312112111210001
423032131130
51223132222
6143024044
734004425
oct13163534
95474701
102942812
11172aa84
12b9b024
137c0612
1456864c
153d1e27
hex2ce75c

2942812 has 12 divisors (see below), whose sum is σ = 5177200. Its totient is φ = 1463616.

The previous prime is 2942809. The next prime is 2942843. The reversal of 2942812 is 2182492.

It is a congruent number.

It is an unprimeable number.

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, 1053 + ... + 2644.

22942812 is an apocalyptic number.

It is an amenable number.

2942812 is a deficient number, since it is larger than the sum of its proper divisors (2234388).

2942812 is a wasteful number, since it uses less digits than its factorization.

2942812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3900 (or 3898 counting only the distinct ones).

The product of its digits is 2304, while the sum is 28.

The square root of 2942812 is about 1715.4626198201. The cubic root of 2942812 is about 143.3026338915.

The spelling of 2942812 in words is "two million, nine hundred forty-two thousand, eight hundred twelve".

Divisors: 1 2 4 199 398 796 3697 7394 14788 735703 1471406 2942812