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29540293 = 149198257
BaseRepresentation
bin111000010101…
…1111111000101
32001120210122221
41300223333011
530030242133
62533052341
7506042206
oct160537705
961523587
1029540293
1115747072
129a870b1
136173983
143ccd5ad
1528d7a2d
hex1c2bfc5

29540293 has 4 divisors (see below), whose sum is σ = 29738700. Its totient is φ = 29341888.

The previous prime is 29540267. The next prime is 29540311. The reversal of 29540293 is 39204592.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8168164 + 21372129 = 2858^2 + 4623^2 .

It is a cyclic number.

It is not a de Polignac number, because 29540293 - 25 = 29540261 is a prime.

It is a super-3 number, since 3×295402933 (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29541293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98980 + ... + 99277.

It is an arithmetic number, because the mean of its divisors is an integer number (7434675).

Almost surely, 229540293 is an apocalyptic number.

It is an amenable number.

29540293 is a deficient number, since it is larger than the sum of its proper divisors (198407).

29540293 is a wasteful number, since it uses less digits than its factorization.

29540293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198406.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 29540293 is about 5435.0982511818. The cubic root of 29540293 is about 309.1279445582.

The spelling of 29540293 in words is "twenty-nine million, five hundred forty thousand, two hundred ninety-three".

Divisors: 1 149 198257 29540293