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2990937 = 3996979
BaseRepresentation
bin1011011010001101011001
312121221210110
423122031121
51231202222
6144034533
734264635
oct13321531
95557713
102990937
111763154
121002a49
138094b1
1457bdc5
153e130c
hex2da359

2990937 has 4 divisors (see below), whose sum is σ = 3987920. Its totient is φ = 1993956.

The previous prime is 2990927. The next prime is 2990941. The reversal of 2990937 is 7390992.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2990937 - 214 = 2974553 is a prime.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2990895 and 2990904.

It is not an unprimeable number, because it can be changed into a prime (2990917) 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, 498487 + ... + 498492.

It is an arithmetic number, because the mean of its divisors is an integer number (996980).

22990937 is an apocalyptic number.

It is an amenable number.

2990937 is a deficient number, since it is larger than the sum of its proper divisors (996983).

2990937 is an equidigital number, since it uses as much as digits as its factorization.

2990937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996982.

The product of its (nonzero) digits is 30618, while the sum is 39.

The square root of 2990937 is about 1729.4325659013. The cubic root of 2990937 is about 144.0795760019.

The spelling of 2990937 in words is "two million, nine hundred ninety thousand, nine hundred thirty-seven".

Divisors: 1 3 996979 2990937