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2989457046 = 232166080947
BaseRepresentation
bin1011001000101111…
…0111111010010110
321201100012011010100
42302023313322112
522110300111141
61212350234530
7134036652132
oct26213677226
97640164110
102989457046
1112a451a364
126b51b5a46
133884627c4
142050603c2
151276b00b6
hexb22f7e96

2989457046 has 12 divisors (see below), whose sum is σ = 6477156972. Its totient is φ = 996485676.

The previous prime is 2989457041. The next prime is 2989457063. The reversal of 2989457046 is 6407549892.

2989457046 is a `hidden beast` number, since 29 + 8 + 9 + 4 + 570 + 46 = 666.

It is a super-2 number, since 2×29894570462 = 17873706859758092232, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2989456983 and 2989457001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2989457041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 83040456 + ... + 83040491.

It is an arithmetic number, because the mean of its divisors is an integer number (539763081).

Almost surely, 22989457046 is an apocalyptic number.

2989457046 is an abundant number, since it is smaller than the sum of its proper divisors (3487699926).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2989457046 is a wasteful number, since it uses less digits than its factorization.

2989457046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166080955 (or 166080952 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The square root of 2989457046 is about 54675.9274818452. The cubic root of 2989457046 is about 1440.5580794031.

The spelling of 2989457046 in words is "two billion, nine hundred eighty-nine million, four hundred fifty-seven thousand, forty-six".

Divisors: 1 2 3 6 9 18 166080947 332161894 498242841 996485682 1494728523 2989457046