Search a number
-
+
2988037 = 13229849
BaseRepresentation
bin1011011001100000000101
312121210211001
423121200011
51231104122
6144013301
734253323
oct13314005
95553731
102988037
111760a58
121001231
13808090
1457ad13
153e0527
hex2d9805

2988037 has 4 divisors (see below), whose sum is σ = 3217900. Its totient is φ = 2758176.

The previous prime is 2988023. The next prime is 2988049. The reversal of 2988037 is 7308892.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 185761 + 2802276 = 431^2 + 1674^2 .

It is a cyclic number.

It is not a de Polignac number, because 2988037 - 215 = 2955269 is a prime.

It is a super-2 number, since 2×29880372 = 17856730226738, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2987987 and 2988005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2988067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114912 + ... + 114937.

It is an arithmetic number, because the mean of its divisors is an integer number (804475).

22988037 is an apocalyptic number.

It is an amenable number.

2988037 is a deficient number, since it is larger than the sum of its proper divisors (229863).

2988037 is a wasteful number, since it uses less digits than its factorization.

2988037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229862.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 2988037 is about 1728.5939372797. The cubic root of 2988037 is about 144.0329946256.

The spelling of 2988037 in words is "two million, nine hundred eighty-eight thousand, thirty-seven".

Divisors: 1 13 229849 2988037