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29912744 = 2325714549
BaseRepresentation
bin111001000011…
…0111010101000
32002021201120102
41302012322220
530124201434
62545044532
7512153111
oct162067250
962251512
1029912744
1115980984
12a026748
136274364
143d89208
15295d07e
hex1c86ea8

29912744 has 16 divisors (see below), whose sum is σ = 56308500. Its totient is φ = 14897152.

The previous prime is 29912713. The next prime is 29912747. The reversal of 29912744 is 44721992.

It can be written as a sum of positive squares in 2 ways, for example, as 22676644 + 7236100 = 4762^2 + 2690^2 .

It is a junction number, because it is equal to n+sod(n) for n = 29912698 and 29912707.

It is not an unprimeable number, because it can be changed into a prime (29912747) 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, 5219 + ... + 9330.

Almost surely, 229912744 is an apocalyptic number.

It is an amenable number.

29912744 is a deficient number, since it is larger than the sum of its proper divisors (26395756).

29912744 is a wasteful number, since it uses less digits than its factorization.

29912744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14812 (or 14808 counting only the distinct ones).

The product of its digits is 36288, while the sum is 38.

The square root of 29912744 is about 5469.2544281648. The cubic root of 29912744 is about 310.4217084137.

The spelling of 29912744 in words is "twenty-nine million, nine hundred twelve thousand, seven hundred forty-four".

Divisors: 1 2 4 8 257 514 1028 2056 14549 29098 58196 116392 3739093 7478186 14956372 29912744