Search a number
-
+
29894397 = 313472347
BaseRepresentation
bin111001000001…
…0011011111101
32002020210101220
41302002123331
530123110042
62544423553
7512045451
oct162023375
962223356
1029894397
1115969115
12a017bb9
136268bc0
143d82661
1529578ec
hex1c826fd

29894397 has 24 divisors (see below), whose sum is σ = 43984416. Its totient is φ = 17953248.

The previous prime is 29894387. The next prime is 29894399. The reversal of 29894397 is 79349892.

It is not a de Polignac number, because 29894397 - 223 = 21505789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29894399) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 85978 + ... + 86324.

It is an arithmetic number, because the mean of its divisors is an integer number (1832684).

Almost surely, 229894397 is an apocalyptic number.

It is an amenable number.

29894397 is a deficient number, since it is larger than the sum of its proper divisors (14090019).

29894397 is a wasteful number, since it uses less digits than its factorization.

29894397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457 (or 410 counting only the distinct ones).

The product of its digits is 979776, while the sum is 51.

The square root of 29894397 is about 5467.5768856048. The cubic root of 29894397 is about 310.3582296515.

The spelling of 29894397 in words is "twenty-nine million, eight hundred ninety-four thousand, three hundred ninety-seven".

Divisors: 1 3 13 39 47 141 347 611 1041 1833 2209 4511 6627 13533 16309 28717 48927 86151 212017 636051 766523 2299569 9964799 29894397