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29696920 = 2351167493
BaseRepresentation
bin111000101001…
…0001110011000
32001212202111221
41301102032120
530100300140
62540301424
7510263641
oct161221630
961782457
1029696920
1115843810
129b41874
1361ca056
143d306c8
15291914a
hex1c52398

29696920 has 32 divisors (see below), whose sum is σ = 72893520. Its totient is φ = 10798720.

The previous prime is 29696881. The next prime is 29696921. The reversal of 29696920 is 2969692.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29696921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33307 + ... + 34186.

Almost surely, 229696920 is an apocalyptic number.

29696920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29696920 is an abundant number, since it is smaller than the sum of its proper divisors (43196600).

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

29696920 is a wasteful number, since it uses less digits than its factorization.

29696920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67515 (or 67511 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 43.

The square root of 29696920 is about 5449.4880493492. The cubic root of 29696920 is about 309.6733291397.

It can be divided in two parts, 2969 and 6920, that added together give a palindrome (9889).

The spelling of 29696920 in words is "twenty-nine million, six hundred ninety-six thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 440 67493 134986 269972 337465 539944 674930 742423 1349860 1484846 2699720 2969692 3712115 5939384 7424230 14848460 29696920