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29319393 = 39773131
BaseRepresentation
bin110111111011…
…0000011100001
32001011120122110
41233312003201
530001210033
62524225533
7504132165
oct157660341
961146573
1029319393
1115606104
12999b2a9
1360c726c
143c72ca5
152892363
hex1bf60e1

29319393 has 4 divisors (see below), whose sum is σ = 39092528. Its totient is φ = 19546260.

The previous prime is 29319383. The next prime is 29319403. The reversal of 29319393 is 39391392.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (29319383) and next prime (29319403).

It is not a de Polignac number, because 29319393 - 216 = 29253857 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (29319343) 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, 4886563 + ... + 4886568.

It is an arithmetic number, because the mean of its divisors is an integer number (9773132).

Almost surely, 229319393 is an apocalyptic number.

It is an amenable number.

29319393 is a deficient number, since it is larger than the sum of its proper divisors (9773135).

29319393 is an equidigital number, since it uses as much as digits as its factorization.

29319393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9773134.

The product of its digits is 39366, while the sum is 39.

The square root of 29319393 is about 5414.7384978409. The cubic root of 29319393 is about 308.3554709858.

The spelling of 29319393 in words is "twenty-nine million, three hundred nineteen thousand, three hundred ninety-three".

Divisors: 1 3 9773131 29319393