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2790044049 = 313233110417
BaseRepresentation
bin1010011001001100…
…1011000110010001
321012102221220220210
42212103023012101
521203222402144
61140504154333
7126065661132
oct24623130621
97172856823
102790044049
1112019a8431
1265a4689a9
13356052750
141c6791c89
15114e1eab9
hexa64cb191

2790044049 has 16 divisors (see below), whose sum is σ = 4180401792. Its totient is φ = 1642299648.

The previous prime is 2790044041. The next prime is 2790044053. The reversal of 2790044049 is 9404400972.

It is a happy number.

It is not a de Polignac number, because 2790044049 - 23 = 2790044041 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 2790043998 and 2790044016.

It is not an unprimeable number, because it can be changed into a prime (2790044041) 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, 1554312 + ... + 1556105.

It is an arithmetic number, because the mean of its divisors is an integer number (261275112).

Almost surely, 22790044049 is an apocalyptic number.

It is an amenable number.

2790044049 is a deficient number, since it is larger than the sum of its proper divisors (1390357743).

2790044049 is a wasteful number, since it uses less digits than its factorization.

2790044049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3110456.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 2790044049 is about 52820.8675525119. The cubic root of 2790044049 is about 1407.7872253546.

The spelling of 2790044049 in words is "two billion, seven hundred ninety million, forty-four thousand, forty-nine".

Divisors: 1 3 13 23 39 69 299 897 3110417 9331251 40435421 71539591 121306263 214618773 930014683 2790044049