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29745700 = 2252297457
BaseRepresentation
bin111000101111…
…0001000100100
32001222020102121
41301132020210
530103330300
62541315324
7510556105
oct161361044
961866377
1029745700
1115877426
129b65b44
13621630a
143d443ac
15292881a
hex1c5e224

29745700 has 18 divisors (see below), whose sum is σ = 64548386. Its totient is φ = 11898240.

The previous prime is 29745671. The next prime is 29745719. The reversal of 29745700 is 754792.

It can be written as a sum of positive squares in 3 ways, for example, as 8714304 + 21031396 = 2952^2 + 4586^2 .

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 148629 + ... + 148828.

Almost surely, 229745700 is an apocalyptic number.

29745700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29745700 is an abundant number, since it is smaller than the sum of its proper divisors (34802686).

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

29745700 is a wasteful number, since it uses less digits than its factorization.

29745700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297471 (or 297464 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 29745700 is about 5453.9618627196. The cubic root of 29745700 is about 309.8427922984.

The spelling of 29745700 in words is "twenty-nine million, seven hundred forty-five thousand, seven hundred".

Divisors: 1 2 4 5 10 20 25 50 100 297457 594914 1189828 1487285 2974570 5949140 7436425 14872850 29745700