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2978080341 = 3992693447
BaseRepresentation
bin1011000110000001…
…1110011001010101
321200112210011012220
42301200132121111
522044342032331
61211302332553
7133541156655
oct26140363125
97615704186
102978080341
111299059925
126b142a159
13385cab422
1420373c365
151266b4296
hexb181e655

2978080341 has 4 divisors (see below), whose sum is σ = 3970773792. Its totient is φ = 1985386892.

The previous prime is 2978080337. The next prime is 2978080351. The reversal of 2978080341 is 1430808792.

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 not a de Polignac number, because 2978080341 - 22 = 2978080337 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2978080293 and 2978080302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2978080321) 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, 496346721 + ... + 496346726.

It is an arithmetic number, because the mean of its divisors is an integer number (992693448).

Almost surely, 22978080341 is an apocalyptic number.

It is an amenable number.

2978080341 is a deficient number, since it is larger than the sum of its proper divisors (992693451).

2978080341 is an equidigital number, since it uses as much as digits as its factorization.

2978080341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992693450.

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 2978080341 is about 54571.7907072876. The cubic root of 2978080341 is about 1438.7283560439.

The spelling of 2978080341 in words is "two billion, nine hundred seventy-eight million, eighty thousand, three hundred forty-one".

Divisors: 1 3 992693447 2978080341