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2949256793 = 73899411151
BaseRepresentation
bin1010111111001010…
…0001011001011001
321121112112202202002
42233302201121121
522020002204133
61204352450345
7133041161210
oct25762413131
97545482662
102949256793
11128386230a
126a38499b5
13380028a82
141dd998077
15123dbdce8
hexafca1659

2949256793 has 16 divisors (see below), whose sum is σ = 3385774080. Its totient is φ = 2516568000.

The previous prime is 2949256789. The next prime is 2949256799. The reversal of 2949256793 is 3976529492.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2949256793 - 22 = 2949256789 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2949256799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2561768 + ... + 2562918.

It is an arithmetic number, because the mean of its divisors is an integer number (211610880).

Almost surely, 22949256793 is an apocalyptic number.

It is an amenable number.

2949256793 is a deficient number, since it is larger than the sum of its proper divisors (436517287).

2949256793 is a wasteful number, since it uses less digits than its factorization.

2949256793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2488.

The product of its digits is 7348320, while the sum is 56.

The square root of 2949256793 is about 54307.0602500264. The cubic root of 2949256793 is about 1434.0716910381.

The spelling of 2949256793 in words is "two billion, nine hundred forty-nine million, two hundred fifty-six thousand, seven hundred ninety-three".

Divisors: 1 7 389 941 1151 2723 6587 8057 366049 447739 1083091 2562343 3134173 7581637 421322399 2949256793