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29829389 = 227331397
BaseRepresentation
bin111000111001…
…0100100001101
32002010111020012
41301302210031
530114020024
62543203005
7511355102
oct161624415
962114205
1029829389
1115924297
129ba6465
136245435
143d66aa9
15294350e
hex1c7290d

29829389 has 8 divisors (see below), whose sum is σ = 30127008. Its totient is φ = 29533680.

The previous prime is 29829377. The next prime is 29829403. The reversal of 29829389 is 98392892.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-29829389 is a prime.

It is a super-2 number, since 2×298293892 = 1779584896226642, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29829889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74939 + ... + 75335.

It is an arithmetic number, because the mean of its divisors is an integer number (3765876).

Almost surely, 229829389 is an apocalyptic number.

It is an amenable number.

29829389 is a deficient number, since it is larger than the sum of its proper divisors (297619).

29829389 is a wasteful number, since it uses less digits than its factorization.

29829389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955.

The product of its digits is 559872, while the sum is 50.

The square root of 29829389 is about 5461.6287863603. The cubic root of 29829389 is about 310.1330992796.

The spelling of 29829389 in words is "twenty-nine million, eight hundred twenty-nine thousand, three hundred eighty-nine".

Divisors: 1 227 331 397 75137 90119 131407 29829389