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2992523940 = 2234571719243
BaseRepresentation
bin1011001001011110…
…0100101010100100
321201112221222010000
42302113210222210
522112041231230
61212540101300
7134105014410
oct26227445244
97645858100
102992523940
1112a622458a
126b6234830
13388c97733
1420561bd40
15127ab8b60
hexb25e4aa4

2992523940 has 720 divisors, whose sum is σ = 12268029312. Its totient is φ = 595703808.

The previous prime is 2992523939. The next prime is 2992523953. The reversal of 2992523940 is 493252992.

2992523940 is a `hidden beast` number, since 2 + 9 + 9 + 252 + 394 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 69593559 + ... + 69593601.

Almost surely, 22992523940 is an apocalyptic number.

2992523940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2992523940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6134014656).

2992523940 is an abundant number, since it is smaller than the sum of its proper divisors (9275505372).

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

2992523940 is a wasteful number, since it uses less digits than its factorization.

2992523940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126 (or 96 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The square root of 2992523940 is about 54703.9664009841. The cubic root of 2992523940 is about 1441.0505354908.

The spelling of 2992523940 in words is "two billion, nine hundred ninety-two million, five hundred twenty-three thousand, nine hundred forty".