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29066920 = 2351494877
BaseRepresentation
bin110111011100…
…0011010101000
32000200202022121
41232320122220
524420120140
62515001024
7502031131
oct156703250
960622277
1029066920
1115453453
129899174
13603937c
143c08c88
15284264a
hex1bb86a8

29066920 has 32 divisors (see below), whose sum is σ = 65853000. Its totient is φ = 11546368.

The previous prime is 29066911. The next prime is 29066929. The reversal of 29066920 is 2966092.

It is an interprime number because it is at equal distance from previous prime (29066911) and next prime (29066929).

It can be written as a sum of positive squares in 4 ways, for example, as 14182756 + 14884164 = 3766^2 + 3858^2 .

It is not an unprimeable number, because it can be changed into a prime (29066929) 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, 3522 + ... + 8398.

Almost surely, 229066920 is an apocalyptic number.

29066920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29066920 is an abundant number, since it is smaller than the sum of its proper divisors (36786080).

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

29066920 is a wasteful number, since it uses less digits than its factorization.

29066920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5037 (or 5033 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 29066920 is about 5391.3745928103. The cubic root of 29066920 is about 307.4678222218.

The spelling of 29066920 in words is "twenty-nine million, sixty-six thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 149 298 596 745 1192 1490 2980 4877 5960 9754 19508 24385 39016 48770 97540 195080 726673 1453346 2906692 3633365 5813384 7266730 14533460 29066920