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29782090 = 2513229093
BaseRepresentation
bin111000110011…
…1000001001010
32002001002100101
41301213001022
530111011330
62542200014
7511100152
oct161470112
962032311
1029782090
11158a17a8
129b8300a
136229a50
143d53762
1529344ca
hex1c6704a

29782090 has 16 divisors (see below), whose sum is σ = 57731688. Its totient is φ = 10996416.

The previous prime is 29782073. The next prime is 29782097. The reversal of 29782090 is 9028792.

It can be written as a sum of positive squares in 4 ways, for example, as 17969121 + 11812969 = 4239^2 + 3437^2 .

It is not an unprimeable number, because it can be changed into a prime (29782097) 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, 114417 + ... + 114676.

Almost surely, 229782090 is an apocalyptic number.

29782090 is a deficient number, since it is larger than the sum of its proper divisors (27949598).

29782090 is a wasteful number, since it uses less digits than its factorization.

29782090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229113.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 29782090 is about 5457.2969499561. The cubic root of 29782090 is about 309.9690916114.

The spelling of 29782090 in words is "twenty-nine million, seven hundred eighty-two thousand, ninety".

Divisors: 1 2 5 10 13 26 65 130 229093 458186 1145465 2290930 2978209 5956418 14891045 29782090