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29869968 = 2431135507
BaseRepresentation
bin111000111110…
…0011110010000
32002012112220010
41301330132100
530121314333
62544114520
7511614312
oct161743620
962175803
1029869968
1115951827
12a005a40
13625aa4b
143d777b2
152950563
hex1c7c790

29869968 has 40 divisors (see below), whose sum is σ = 77861088. Its totient is φ = 9866752.

The previous prime is 29869967. The next prime is 29869991. The reversal of 29869968 is 86996892.

It is not an unprimeable number, because it can be changed into a prime (29869967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2671 + ... + 8177.

Almost surely, 229869968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29869968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38930544).

29869968 is an abundant number, since it is smaller than the sum of its proper divisors (47991120).

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

29869968 is a wasteful number, since it uses less digits than its factorization.

29869968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5631 (or 5625 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 57.

The square root of 29869968 is about 5465.3424412382. The cubic root of 29869968 is about 310.2736674582.

The spelling of 29869968 in words is "twenty-nine million, eight hundred sixty-nine thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 113 226 339 452 678 904 1356 1808 2712 5424 5507 11014 16521 22028 33042 44056 66084 88112 132168 264336 622291 1244582 1866873 2489164 3733746 4978328 7467492 9956656 14934984 29869968