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2996881 = 8336107
BaseRepresentation
bin1011011011101010010001
312122020221121
423123222101
51231400011
6144122241
734321156
oct13335221
95566847
102996881
111767668
121006381
1380c104
1458022d
153e2e71
hex2dba91

2996881 has 4 divisors (see below), whose sum is σ = 3033072. Its totient is φ = 2960692.

The previous prime is 2996857. The next prime is 2996891. The reversal of 2996881 is 1886992.

It is a happy number.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2996881 is a prime.

It is a super-2 number, since 2×29968812 = 17962591456322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2996891) 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, 17971 + ... + 18136.

It is an arithmetic number, because the mean of its divisors is an integer number (758268).

22996881 is an apocalyptic number.

It is an amenable number.

2996881 is a deficient number, since it is larger than the sum of its proper divisors (36191).

2996881 is an equidigital number, since it uses as much as digits as its factorization.

2996881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36190.

The product of its digits is 62208, while the sum is 43.

The square root of 2996881 is about 1731.1501956792. The cubic root of 2996881 is about 144.1749577391.

The spelling of 2996881 in words is "two million, nine hundred ninety-six thousand, eight hundred eighty-one".

Divisors: 1 83 36107 2996881