Search a number
-
+
2989977 = 317232549
BaseRepresentation
bin1011011001111110011001
312121220110220
423121332121
51231134402
6144030253
734262064
oct13317631
95556426
102989977
111762461
121002389
13808c23
1457b8db
153e0dbc
hex2d9f99

2989977 has 16 divisors (see below), whose sum is σ = 4406400. Its totient is φ = 1793792.

The previous prime is 2989963. The next prime is 2989997. The reversal of 2989977 is 7799892.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2989977 - 27 = 2989849 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (2989927) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102 + ... + 2447.

It is an arithmetic number, because the mean of its divisors is an integer number (275400).

22989977 is an apocalyptic number.

It is an amenable number.

2989977 is a deficient number, since it is larger than the sum of its proper divisors (1416423).

2989977 is a wasteful number, since it uses less digits than its factorization.

2989977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2592.

The product of its digits is 571536, while the sum is 51.

The square root of 2989977 is about 1729.1549959446. The cubic root of 2989977 is about 144.0641592953.

The spelling of 2989977 in words is "two million, nine hundred eighty-nine thousand, nine hundred seventy-seven".

Divisors: 1 3 17 23 51 69 391 1173 2549 7647 43333 58627 129999 175881 996659 2989977